El Reno 1 N Weather Records (USC00342818)

Record envelope, standing records and threshold days for El Reno 1 N (USC00342818), Oklahoma, United States, with 114 years of record.

Key Facts for El Reno 1 N

El Reno 1 N (USC00342818) is a weather station in Oklahoma, United States at 35.55 latitude and -97.96 longitude, 404 m (1,325 ft) above sea level.
The station reports from 1893 to 2006, 114 years of record.
1,464 records set at El Reno 1 N still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
El Reno 1 N set a daily record high maximum temperature of 22.8 C (73.0 F) on 17 December 2006.

About the Station

Location: Oklahoma, United States, 35.55 latitude, -97.96 longitude.
Elevation: 404 m (1,325 ft).
Period of record: 1893 to 2006, 114 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at El Reno 1 N. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at El Reno 1 N, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.1 C (88.0 F)	-23.3 C (-9.9 F)	n/a	n/a
Feb	33.9 C (93.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Mar	36.1 C (97.0 F)	-17.2 C (1.0 F)	n/a	n/a
Apr	39.4 C (102.9 F)	-7.8 C (18.0 F)	n/a	n/a
May	40.6 C (105.1 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	42.2 C (108.0 F)	2.8 C (37.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	10.0 C (50.0 F)	n/a	n/a
Aug	44.4 C (111.9 F)	7.2 C (45.0 F)	n/a	n/a
Sep	42.2 C (108.0 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	37.8 C (100.0 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	31.7 C (89.1 F)	-14.4 C (6.1 F)	n/a	n/a
Dec	31.7 C (89.1 F)	-23.9 C (-11.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at El Reno 1 N still stand. 1911 holds the most, with 44.

Standing records at El Reno 1 N by the year they were set
Year set	Standing records
1893	25
1894	33
1895	40
1896	24
1897	16
1898	18
1899	24
1900	11
1901	21
1902	19
1903	19
1904	23
1905	24
1906	19
1911	44
1912	19
1913	19
1914	14
1915	21
1916	8
1917	37
1918	25
1919	13
1920	19
1921	8
1952	30
1953	17
1954	36
1955	22
1956	22
1957	16
1958	12
1959	24
1960	21
1961	15
1962	18
1963	17
1964	15
1965	21
1966	14
1967	19
1968	10
1969	20
1970	24
1971	13
1972	27
1973	20
1974	18
1975	10
1976	11
1977	9
1978	16
1979	12
1980	21
1981	15
1982	13
1983	23
1984	6
1985	13
1986	15
1987	7
1988	7
1989	20
1990	16
1991	16
1992	13
1993	10
1994	14
1995	14
1996	22
1997	25
1998	23
1999	9
2000	26
2001	11
2002	5
2003	13
2004	10
2005	15
2006	30

All-Time Record Progression

5 new records

5 all-time records were set at El Reno 1 N between 13 September 1961 and 7 January 1988. Each dot is a new record.

When El Reno 1 N set new all-time records
Date	Kind	Detail
1961-09-13	Record daily precipitation	Record daily precipitation 179.8 mm (7.1 in)
1969-07-13	Record high minimum temperature	Record high minimum temperature 28.3 C (82.9 F)
1970-07-29	Record high minimum temperature	Record high minimum temperature 28.9 C (84.0 F)
1971-09-04	Record high minimum temperature	Record high minimum temperature 30.0 C (86.0 F)
1988-01-07	Record snow depth	Record snow depth 27.9 cm (11.0 in)

Wettest Day of Each Month

Sep: 179.8 mm (7.1 in)

The wettest day on record for each calendar month at El Reno 1 N. The most was 179.8 mm (7.1 in) on 13 September 1961.

Record daily precipitation for each month at El Reno 1 N
Month	Record daily precipitation (mm)	Date
Jan	65.5 mm (2.6 in)	30 January 1982
Feb	137.2 mm (5.4 in)	9 February 1898
Mar	78.5 mm (3.1 in)	11 March 1990
Apr	100.3 mm (3.9 in)	28 April 1897
May	131.6 mm (5.2 in)	28 May 1987
Jun	119.4 mm (4.7 in)	4 June 1995
Jul	165.1 mm (6.5 in)	1 July 1913
Aug	115.6 mm (4.6 in)	23 August 1914
Sep	179.8 mm (7.1 in)	13 September 1961
Oct	108.0 mm (4.3 in)	20 October 1983
Nov	155.4 mm (6.1 in)	19 November 1953
Dec	64.5 mm (2.5 in)	9 December 1911

Period of Record Coverage

1893 to 2006

81 years of record at El Reno 1 N, 1893 to 2006. 13 years have data for under 90 percent of days and are left out of rankings: 1898, 1899, 1911, 1912, 1915, 1916, 1917, 1919 and others.

Days with data per year at El Reno 1 N
Year	Days with data	Share of year	Complete
1893	354	97%	Yes
1894	331	91%	Yes
1895	350	96%	Yes
1896	363	99%	Yes
1897	364	100%	Yes
1898	260	71%	No
1899	319	87%	No
1900	363	99%	Yes
1901	362	99%	Yes
1902	344	94%	Yes
1903	358	98%	Yes
1904	358	98%	Yes
1905	361	99%	Yes
1906	349	96%	Yes
1911	312	85%	No
1912	318	87%	No
1913	334	92%	Yes
1914	337	92%	Yes
1915	308	84%	No
1916	286	78%	No
1917	323	88%	No
1918	358	98%	Yes
1919	316	87%	No
1920	360	98%	Yes
1921	322	88%	No
1922	75	21%	No
1952	281	77%	No
1953	357	98%	Yes
1954	360	99%	Yes
1955	363	99%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	359	98%	Yes
1962	365	100%	Yes
1963	364	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	364	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	362	99%	Yes
1973	362	99%	Yes
1974	335	92%	Yes
1975	362	99%	Yes
1976	364	99%	Yes
1977	363	99%	Yes
1978	364	100%	Yes
1979	362	99%	Yes
1980	364	99%	Yes
1981	364	100%	Yes
1982	359	98%	Yes
1983	363	99%	Yes
1984	243	66%	No
1985	361	99%	Yes
1986	364	100%	Yes
1987	359	98%	Yes
1988	365	100%	Yes
1989	362	99%	Yes
1990	365	100%	Yes
1991	360	99%	Yes
1992	333	91%	Yes
1993	346	95%	Yes
1994	359	98%	Yes
1995	357	98%	Yes
1996	362	99%	Yes
1997	359	98%	Yes
1998	356	98%	Yes
1999	365	100%	Yes
2000	360	98%	Yes
2001	359	98%	Yes
2002	322	88%	No
2003	358	98%	Yes
2004	366	100%	Yes
2005	364	100%	Yes
2006	361	99%	Yes

Latest Records

Latest records at El Reno 1 N
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 2006	El Reno 1 N, US	daily high max	22.8 C (73.0 F)	0.6 C (1.1 F)	29 years	18 of 100 (Routine)
5 December 2006	El Reno 1 N, US	daily low min	-13.3 C (8.1 F)	3.3 C (5.9 F)	88 years	41 of 100 (Notable)
3 December 2006	El Reno 1 N, US	daily snow depth	5.1 cm (2.0 in)	5.1 cm (2.0 in)	112 years	20 of 100 (Routine)
2 December 2006	El Reno 1 N, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	112 years	50 of 100 (Notable)
2 December 2006	El Reno 1 N, US	daily low min	-16.1 C (3.0 F)	2.8 C (5.0 F)	20 years	20 of 100 (Routine)
1 December 2006	El Reno 1 N, US	daily snowfall	17.8 cm (7.0 in)	17.0 cm (6.7 in)	51 years	65 of 100 (Major)
1 December 2006	El Reno 1 N, US	daily rain	22.9 mm (0.9 in)	11.5 mm (0.5 in)	92 years	20 of 100 (Routine)
1 December 2006	El Reno 1 N, US	daily low min	-16.7 C (1.9 F)	5.0 C (9.0 F)	87 years	44 of 100 (Notable)
1 December 2006	El Reno 1 N, US	monthly snow depth	12.7 cm (5.0 in)	2.5 cm (1.0 in)	47 years	36 of 100 (Notable)
27 November 2006	El Reno 1 N, US	daily high min (Tie)	11.7 C (53.1 F)	tie	45 years	5 of 100 (Routine)
10 November 2006	El Reno 1 N, US	daily high max	28.9 C (84.0 F)	1.1 C (2.0 F)	11 years	14 of 100 (Routine)
9 November 2006	El Reno 1 N, US	daily high max	28.9 C (84.0 F)	1.1 C (2.0 F)	25 years	18 of 100 (Routine)
1 November 2006	El Reno 1 N, US	daily low min	-6.7 C (19.9 F)	1.7 C (3.1 F)	95 years	41 of 100 (Notable)
23 October 2006	El Reno 1 N, US	daily low min (Tie)	-3.3 C (26.1 F)	tie	88 years	9 of 100 (Routine)
26 September 2006	El Reno 1 N, US	daily low min	1.1 C (34.0 F)	0.6 C (1.1 F)	5 years	12 of 100 (Routine)
23 September 2006	El Reno 1 N, US	daily low min	1.7 C (35.1 F)	2.2 C (4.0 F)	110 years	44 of 100 (Notable)
22 September 2006	El Reno 1 N, US	daily low min	1.7 C (35.1 F)	1.6 C (2.9 F)	110 years	43 of 100 (Notable)
20 September 2006	El Reno 1 N, US	daily low min	1.7 C (35.1 F)	2.2 C (4.0 F)	88 years	40 of 100 (Notable)
19 September 2006	El Reno 1 N, US	daily low min	2.2 C (36.0 F)	5.0 C (9.0 F)	104 years	50 of 100 (Notable)
3 September 2006	El Reno 1 N, US	daily low max	23.3 C (73.9 F)	2.3 C (4.1 F)	33 years	24 of 100 (Routine)

Climate Trend

63 complete years, 1893 to 2006

One stripe for each of 63 complete years at El Reno 1 N, 1893 to 2006. Blue stripes are years cooler than the station's own mean of 15.5 C (60.0 F); red stripes are warmer. The coolest year was 1895, at 14.0 C (57.3 F), and the warmest was 1954, at 17.6 C (63.7 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at El Reno 1 N as warming stripes, 1893 to 2006
Year	Annual mean temperature	Difference from the station mean
1893	15.2 C	-0.30 C
1895	14.0 C	-1.50 C
1896	16.2 C	+0.65 C
1897	15.4 C	-0.11 C
1900	15.4 C	-0.15 C
1901	15.8 C	+0.23 C
1902	14.9 C	-0.69 C
1903	14.7 C	-0.85 C
1904	15.9 C	+0.35 C
1905	14.3 C	-1.27 C
1906	14.1 C	-1.41 C
1913	15.9 C	+0.34 C
1914	15.9 C	+0.36 C
1918	16.0 C	+0.44 C
1920	15.0 C	-0.52 C
1953	16.6 C	+1.10 C
1954	17.6 C	+2.08 C
1955	16.3 C	+0.71 C
1956	16.8 C	+1.26 C
1957	15.2 C	-0.34 C
1958	15.2 C	-0.31 C
1959	15.4 C	-0.16 C
1960	14.7 C	-0.85 C
1961	14.9 C	-0.66 C
1962	15.8 C	+0.26 C
1963	16.3 C	+0.73 C
1964	16.0 C	+0.41 C
1965	16.1 C	+0.51 C
1966	15.0 C	-0.54 C
1967	15.8 C	+0.23 C
1968	14.8 C	-0.70 C
1969	15.6 C	+0.04 C
1970	15.7 C	+0.15 C
1971	15.6 C	+0.02 C
1972	15.5 C	-0.01 C
1973	15.2 C	-0.38 C
1975	15.0 C	-0.50 C
1976	15.3 C	-0.21 C
1977	16.5 C	+0.98 C
1978	15.0 C	-0.50 C
1979	14.2 C	-1.37 C
1980	15.9 C	+0.40 C
1982	15.1 C	-0.49 C
1983	14.7 C	-0.89 C
1985	14.3 C	-1.27 C
1986	16.0 C	+0.43 C
1987	15.2 C	-0.30 C
1988	15.7 C	+0.18 C
1989	15.1 C	-0.49 C
1990	16.5 C	+0.95 C
1991	16.2 C	+0.62 C
1993	15.1 C	-0.41 C
1994	16.0 C	+0.49 C
1995	16.0 C	+0.49 C
1996	16.1 C	+0.56 C
1998	17.1 C	+1.58 C
1999	16.4 C	+0.89 C
2000	15.7 C	+0.20 C
2001	16.4 C	+0.89 C
2003	14.8 C	-0.72 C
2004	14.9 C	-0.60 C
2005	15.4 C	-0.15 C
2006	15.7 C	+0.20 C

The fitted trend in annual mean temperature here over 1893 to 2006 is 0.04 C (-0.01 to 0.10) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.08 F (-0.02 to 0.17) per decade. The slope is a straight line fitted to 63 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at El Reno 1 N
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.04 C (-0.01 to 0.10) per decade	0.08 F (-0.02 to 0.17) per decade	1893 to 2006	63	Not clearly different from zero
Mean daily maximum	-0.05 C (-0.11 to 0.01) per decade	-0.09 F (-0.21 to 0.03) per decade	1893 to 2006	63	Not clearly different from zero
Mean daily minimum	0.1 C (0.1 to 0.2) per decade	0.2 F (0.1 to 0.3) per decade	1893 to 2006	63	Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1893 to 2006

Yearly extremes at El Reno 1 N: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	44.4 C (111.9 F)	1952	40.6 C (105.1 F)	81
Coldest night (TNn)	-26.1 C (-15.0 F)	1905	-16.7 C (1.9 F)	81
Wettest day (Rx1day)	179.8 mm (7.1 in)	1961	68.6 mm (2.7 in)	86
Wettest five days (Rx5day)	261.6 mm (10.3 in)	1959	107.3 mm (4.2 in)	86
Longest dry spell (CDD)	101 days	1896	37 days	86

Hottest day (TXx)

The hottest day of the year at El Reno 1 N, 1893 to 2006. The record is 44.4 C (111.9 F) in 1952, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at El Reno 1 N by year
Year	Hottest day (TXx)
1893	40.0 C (104.0 F)
1894	42.2 C (108.0 F)
1895	40.0 C (104.0 F)
1896	41.7 C (107.1 F)
1897	41.7 C (107.1 F)
1898	38.3 C (100.9 F)
1899	41.7 C (107.1 F)
1900	37.2 C (99.0 F)
1901	42.2 C (108.0 F)
1902	41.7 C (107.1 F)
1903	40.6 C (105.1 F)
1904	40.0 C (104.0 F)
1905	37.8 C (100.0 F)
1906	37.2 C (99.0 F)
1911	42.8 C (109.0 F)
1912	41.1 C (106.0 F)
1913	42.2 C (108.0 F)
1914	42.2 C (108.0 F)
1915	37.8 C (100.0 F)
1916	40.6 C (105.1 F)
1917	41.7 C (107.1 F)
1918	42.8 C (109.0 F)
1919	38.3 C (100.9 F)
1920	38.9 C (102.0 F)
1921	40.6 C (105.1 F)
1922	29.4 C (84.9 F)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	44.4 C (111.9 F)
1953	42.2 C (108.0 F)
1954	42.8 C (109.0 F)
1955	37.8 C (100.0 F)
1956	42.2 C (108.0 F)
1957	40.6 C (105.1 F)
1958	38.9 C (102.0 F)
1959	40.0 C (104.0 F)
1960	38.9 C (102.0 F)
1961	37.8 C (100.0 F)
1962	40.6 C (105.1 F)
1963	40.6 C (105.1 F)
1964	43.9 C (111.0 F)
1965	39.4 C (102.9 F)
1966	40.0 C (104.0 F)
1967	38.9 C (102.0 F)
1968	38.3 C (100.9 F)
1969	42.2 C (108.0 F)
1970	41.1 C (106.0 F)
1971	40.6 C (105.1 F)
1972	39.4 C (102.9 F)
1973	38.9 C (102.0 F)
1974	43.3 C (109.9 F)
1975	36.7 C (98.1 F)
1976	40.6 C (105.1 F)
1977	41.7 C (107.1 F)
1978	42.2 C (108.0 F)
1979	36.1 C (97.0 F)
1980	42.2 C (108.0 F)
1981	41.1 C (106.0 F)
1982	40.6 C (105.1 F)
1983	41.1 C (106.0 F)
1984	41.7 C (107.1 F)
1985	40.6 C (105.1 F)
1986	42.8 C (109.0 F)
1987	38.3 C (100.9 F)
1988	40.0 C (104.0 F)
1989	37.2 C (99.0 F)
1990	39.4 C (102.9 F)
1991	38.3 C (100.9 F)
1992	36.1 C (97.0 F)
1993	38.9 C (102.0 F)
1994	41.1 C (106.0 F)
1995	40.0 C (104.0 F)
1996	42.8 C (109.0 F)
1997	38.3 C (100.9 F)
1998	41.7 C (107.1 F)
1999	40.6 C (105.1 F)
2000	42.2 C (108.0 F)
2001	41.7 C (107.1 F)
2002	38.9 C (102.0 F)
2003	41.1 C (106.0 F)
2004	37.2 C (99.0 F)
2005	38.3 C (100.9 F)
2006	40.6 C (105.1 F)

Coldest night (TNn)

The coldest night of the year at El Reno 1 N, 1893 to 2006. The record is -26.1 C (-15.0 F) in 1905, marked on the chart; the median year is -16.7 C (1.9 F).

Coldest night (TNn) at El Reno 1 N by year
Year	Coldest night (TNn)
1893	-15.6 C (3.9 F)
1894	-22.2 C (-8.0 F)
1895	-21.7 C (-7.1 F)
1896	-12.8 C (9.0 F)
1897	-17.8 C (0.0 F)
1898	-11.7 C (10.9 F)
1899	-23.9 C (-11.0 F)
1900	-15.0 C (5.0 F)
1901	-19.4 C (-2.9 F)
1902	-23.3 C (-9.9 F)
1903	-16.7 C (1.9 F)
1904	-18.3 C (-0.9 F)
1905	-26.1 C (-15.0 F)
1906	-20.6 C (-5.1 F)
1911	-17.2 C (1.0 F)
1912	-21.7 C (-7.1 F)
1913	-18.3 C (-0.9 F)
1914	-15.6 C (3.9 F)
1915	-11.7 C (10.9 F)
1916	-20.0 C (-4.0 F)
1917	-18.3 C (-0.9 F)
1918	-22.2 C (-8.0 F)
1919	-17.8 C (0.0 F)
1920	-13.9 C (7.0 F)
1921	-11.7 C (10.9 F)
1922	-12.2 C (10.0 F)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	-10.6 C (12.9 F)
1953	-12.8 C (9.0 F)
1954	-16.1 C (3.0 F)
1955	-12.2 C (10.0 F)
1956	-13.9 C (7.0 F)
1957	-12.8 C (9.0 F)
1958	-16.7 C (1.9 F)
1959	-20.6 C (-5.1 F)
1960	-17.2 C (1.0 F)
1961	-17.2 C (1.0 F)
1962	-17.8 C (0.0 F)
1963	-19.4 C (-2.9 F)
1964	-16.7 C (1.9 F)
1965	-15.0 C (5.0 F)
1966	-17.2 C (1.0 F)
1967	-14.4 C (6.1 F)
1968	-18.3 C (-0.9 F)
1969	-15.0 C (5.0 F)
1970	-16.7 C (1.9 F)
1971	-17.2 C (1.0 F)
1972	-17.8 C (0.0 F)
1973	-19.4 C (-2.9 F)
1974	-16.7 C (1.9 F)
1975	-14.4 C (6.1 F)
1976	-17.2 C (1.0 F)
1977	-18.9 C (-2.0 F)
1978	-17.8 C (0.0 F)
1979	-17.8 C (0.0 F)
1980	-15.6 C (3.9 F)
1981	-16.7 C (1.9 F)
1982	-23.3 C (-9.9 F)
1983	-21.1 C (-6.0 F)
1984	-15.6 C (3.9 F)
1985	-18.3 C (-0.9 F)
1986	-16.7 C (1.9 F)
1987	-16.7 C (1.9 F)
1988	-15.6 C (3.9 F)
1989	-23.9 C (-11.0 F)
1990	-16.7 C (1.9 F)
1991	-12.2 C (10.0 F)
1992	-9.4 C (15.1 F)
1993	-13.9 C (7.0 F)
1994	-13.3 C (8.1 F)
1995	-11.1 C (12.0 F)
1996	-20.6 C (-5.1 F)
1997	-15.0 C (5.0 F)
1998	-11.7 C (10.9 F)
1999	-11.1 C (12.0 F)
2000	-11.1 C (12.0 F)
2001	-10.6 C (12.9 F)
2002	-13.3 C (8.1 F)
2003	-12.8 C (9.0 F)
2004	-15.6 C (3.9 F)
2005	-16.1 C (3.0 F)
2006	-16.7 C (1.9 F)

Wettest day (Rx1day)

The wettest day of the year at El Reno 1 N, 1893 to 2006. The record is 179.8 mm (7.1 in) in 1961, marked on the chart; the median year is 68.6 mm (2.7 in).

Wettest day (Rx1day) at El Reno 1 N by year
Year	Wettest day (Rx1day)
1893	53.1 mm (2.1 in)
1894	37.3 mm (1.5 in)
1895	35.6 mm (1.4 in)
1896	50.8 mm (2.0 in)
1897	100.3 mm (3.9 in)
1898	137.2 mm (5.4 in)
1899	76.2 mm (3.0 in)
1900	132.1 mm (5.2 in)
1901	67.3 mm (2.6 in)
1902	64.3 mm (2.5 in)
1903	71.1 mm (2.8 in)
1904	94.0 mm (3.7 in)
1905	50.8 mm (2.0 in)
1906	53.3 mm (2.1 in)
1911	64.5 mm (2.5 in)
1912	61.0 mm (2.4 in)
1913	165.1 mm (6.5 in)
1914	115.6 mm (4.6 in)
1915	73.7 mm (2.9 in)
1916	52.8 mm (2.1 in)
1917	61.0 mm (2.4 in)
1918	94.0 mm (3.7 in)
1919	48.3 mm (1.9 in)
1920	67.3 mm (2.6 in)
1921	51.1 mm (2.0 in)
1922	79.0 mm (3.1 in)
1947	61.0 mm (2.4 in)
1948	45.7 mm (1.8 in)
1949	117.9 mm (4.6 in)
1950	59.9 mm (2.4 in)
1951	76.2 mm (3.0 in)
1952	63.5 mm (2.5 in)
1953	155.4 mm (6.1 in)
1954	31.2 mm (1.2 in)
1955	90.9 mm (3.6 in)
1956	65.5 mm (2.6 in)
1957	82.6 mm (3.3 in)
1958	57.4 mm (2.3 in)
1959	111.8 mm (4.4 in)
1960	89.7 mm (3.5 in)
1961	179.8 mm (7.1 in)
1962	68.6 mm (2.7 in)
1963	54.6 mm (2.1 in)
1964	60.7 mm (2.4 in)
1965	147.1 mm (5.8 in)
1966	71.1 mm (2.8 in)
1967	56.1 mm (2.2 in)
1968	63.8 mm (2.5 in)
1969	69.6 mm (2.7 in)
1970	99.3 mm (3.9 in)
1971	71.4 mm (2.8 in)
1972	58.2 mm (2.3 in)
1973	62.5 mm (2.5 in)
1974	61.7 mm (2.4 in)
1975	140.0 mm (5.5 in)
1976	33.0 mm (1.3 in)
1977	106.4 mm (4.2 in)
1978	52.6 mm (2.1 in)
1979	76.5 mm (3.0 in)
1980	68.3 mm (2.7 in)
1981	58.7 mm (2.3 in)
1982	86.9 mm (3.4 in)
1983	108.0 mm (4.3 in)
1984	69.1 mm (2.7 in)
1985	68.6 mm (2.7 in)
1986	114.3 mm (4.5 in)
1987	131.6 mm (5.2 in)
1988	58.9 mm (2.3 in)
1989	96.8 mm (3.8 in)
1990	78.5 mm (3.1 in)
1991	76.2 mm (3.0 in)
1992	51.3 mm (2.0 in)
1993	113.8 mm (4.5 in)
1994	108.0 mm (4.3 in)
1995	119.4 mm (4.7 in)
1996	58.7 mm (2.3 in)
1997	68.6 mm (2.7 in)
1998	63.5 mm (2.5 in)
1999	73.7 mm (2.9 in)
2000	91.4 mm (3.6 in)
2001	50.8 mm (2.0 in)
2002	79.8 mm (3.1 in)
2003	40.6 mm (1.6 in)
2004	53.3 mm (2.1 in)
2005	55.9 mm (2.2 in)
2006	50.8 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at El Reno 1 N, 1893 to 2006. The record is 261.6 mm (10.3 in) in 1959, marked on the chart; the median year is 107.3 mm (4.2 in).

Wettest five days (Rx5day) at El Reno 1 N by year
Year	Wettest five days (Rx5day)
1893	157.6 mm (6.2 in)
1894	53.3 mm (2.1 in)
1895	69.6 mm (2.7 in)
1896	52.8 mm (2.1 in)
1897	175.2 mm (6.9 in)
1898	214.7 mm (8.5 in)
1899	132.8 mm (5.2 in)
1900	198.7 mm (7.8 in)
1901	113.3 mm (4.5 in)
1902	134.6 mm (5.3 in)
1903	85.1 mm (3.4 in)
1904	175.3 mm (6.9 in)
1905	77.5 mm (3.1 in)
1906	77.6 mm (3.1 in)
1911	64.8 mm (2.6 in)
1912	80.0 mm (3.1 in)
1913	172.0 mm (6.8 in)
1914	161.6 mm (6.4 in)
1915	126.3 mm (5.0 in)
1916	81.3 mm (3.2 in)
1917	114.5 mm (4.5 in)
1918	138.7 mm (5.5 in)
1919	99.9 mm (3.9 in)
1920	129.0 mm (5.1 in)
1921	73.7 mm (2.9 in)
1922	86.1 mm (3.4 in)
1947	61.0 mm (2.4 in)
1948	133.9 mm (5.3 in)
1949	190.7 mm (7.5 in)
1950	104.3 mm (4.1 in)
1951	125.5 mm (4.9 in)
1952	67.8 mm (2.7 in)
1953	166.1 mm (6.5 in)
1954	63.2 mm (2.5 in)
1955	184.1 mm (7.2 in)
1956	95.2 mm (3.7 in)
1957	100.8 mm (4.0 in)
1958	106.7 mm (4.2 in)
1959	261.6 mm (10.3 in)
1960	122.0 mm (4.8 in)
1961	181.1 mm (7.1 in)
1962	104.0 mm (4.1 in)
1963	76.4 mm (3.0 in)
1964	85.0 mm (3.3 in)
1965	206.8 mm (8.1 in)
1966	84.8 mm (3.3 in)
1967	90.2 mm (3.6 in)
1968	102.1 mm (4.0 in)
1969	84.5 mm (3.3 in)
1970	120.6 mm (4.7 in)
1971	81.3 mm (3.2 in)
1972	79.8 mm (3.1 in)
1973	115.2 mm (4.5 in)
1974	111.2 mm (4.4 in)
1975	208.1 mm (8.2 in)
1976	63.9 mm (2.5 in)
1977	164.0 mm (6.5 in)
1978	95.5 mm (3.8 in)
1979	114.3 mm (4.5 in)
1980	114.7 mm (4.5 in)
1981	115.8 mm (4.6 in)
1982	102.1 mm (4.0 in)
1983	209.3 mm (8.2 in)
1984	71.6 mm (2.8 in)
1985	109.5 mm (4.3 in)
1986	232.9 mm (9.2 in)
1987	253.6 mm (10.0 in)
1988	113.2 mm (4.5 in)
1989	176.9 mm (7.0 in)
1990	172.4 mm (6.8 in)
1991	96.5 mm (3.8 in)
1992	63.7 mm (2.5 in)
1993	156.0 mm (6.1 in)
1994	113.8 mm (4.5 in)
1995	160.6 mm (6.3 in)
1996	96.3 mm (3.8 in)
1997	98.1 mm (3.9 in)
1998	102.2 mm (4.0 in)
1999	94.0 mm (3.7 in)
2000	105.0 mm (4.1 in)
2001	101.6 mm (4.0 in)
2002	107.8 mm (4.2 in)
2003	47.2 mm (1.9 in)
2004	104.7 mm (4.1 in)
2005	130.8 mm (5.1 in)
2006	77.0 mm (3.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at El Reno 1 N, 1893 to 2006. The record is 101 days in 1896, marked on the chart; the median year is 37 days.

Longest dry spell (CDD) at El Reno 1 N by year
Year	Longest dry spell (CDD)
1893	42 days
1894	31 days
1895	35 days
1896	101 days
1897	28 days
1898	76 days
1899	71 days
1900	29 days
1901	35 days
1902	52 days
1903	61 days
1904	43 days
1905	42 days
1906	42 days
1911	49 days
1912	50 days
1913	49 days
1914	52 days
1915	39 days
1916	69 days
1917	51 days
1918	27 days
1919	62 days
1920	68 days
1921	62 days
1922	14 days
1947	26 days
1948	52 days
1949	38 days
1950	57 days
1951	22 days
1952	51 days
1953	28 days
1954	47 days
1955	56 days
1956	36 days
1957	36 days
1958	31 days
1959	36 days
1960	24 days
1961	21 days
1962	23 days
1963	35 days
1964	29 days
1965	43 days
1966	36 days
1967	45 days
1968	23 days
1969	36 days
1970	34 days
1971	46 days
1972	37 days
1973	32 days
1974	25 days
1975	27 days
1976	35 days
1977	37 days
1978	34 days
1979	38 days
1980	59 days
1981	31 days
1982	29 days
1983	38 days
1984	23 days
1985	46 days
1986	38 days
1987	50 days
1988	20 days
1989	38 days
1990	36 days
1991	42 days
1992	20 days
1993	22 days
1994	21 days
1995	45 days
1996	44 days
1997	36 days
1998	42 days
1999	28 days
2000	56 days
2001	33 days
2002	36 days
2003	37 days
2004	24 days
2005	46 days
2006	48 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

63 years with a frost

Across 63 years with a frost, the median last spring frost at El Reno 1 N falls on 5 April and the median first autumn frost on 29 October, which leaves a median of 208 days between them.

In 1971 to 2006 the median growing season was 211 days. That is 6 days more than in 1893 to 1967.

Fitted over all years, the growing season changes by +1.5 days per decade at this station.

Frost dates and growing season at El Reno 1 N
Measure	Median, all years	Earliest period (1893 to 1967)	Recent period (1971 to 2006)	Recent against earliest	Fitted trend
Last spring frost	5 April	12 April	4 April	8 days earlier	-1.0 days per decade
First autumn frost	29 October	29 October	29 October	no change	+0.5 days per decade
Growing days	208 days	205 days	211 days	6 days more	+1.5 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

83 years, 1893 to 2006

A day with at least 70.5 mm (2.8 in) of rain is expected about once in 2 years. A day with at least 198.6 mm (7.8 in) of rain is expected about once in 100 years.

Rainfall return levels at El Reno 1 N: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	70.5 mm (2.8 in)
5 years	97.7 mm (3.8 in)
10 years	118.2 mm (4.7 in)
25 years	147.4 mm (5.8 in)
50 years	171.8 mm (6.8 in)
100 years	198.6 mm (7.8 in)	Longer than the 83 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 83 years of values from 1893 to 2006.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 179.8 mm (7.1 in) in 1961; 165.1 mm (6.5 in) in 1913; 155.4 mm (6.1 in) in 1953.

Station Changes

No change in the annual mean temperature of this station was found against its neighbours.

Download the Data

Data for El Reno 1 N standing records by year: CSV or JSON. Field meanings are on the data page.
Data for El Reno 1 N threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).