Birch Tree Weather Records (USC00230668)

Record envelope, standing records and threshold days for Birch Tree (USC00230668), Missouri, United States, with 76 years of record.

Key Facts for Birch Tree

Birch Tree (USC00230668) is a weather station in Missouri, United States at 36.98 latitude and -91.50 longitude, 305 m (1,001 ft) above sea level.
The station reports from 1893 to 1968, 76 years of record.
1,464 records set at Birch Tree still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Birch Tree set a daily record high maximum temperature of 31.7 C (89.1 F) on 31 October 1968.

About the Station

Location: Missouri, United States, 36.98 latitude, -91.50 longitude.
Elevation: 305 m (1,001 ft).
Period of record: 1893 to 1968, 76 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 Birch Tree. 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 Birch Tree, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	25.6 C (78.1 F)	-31.1 C (-24.0 F)	n/a	n/a
Feb	29.4 C (84.9 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	33.3 C (91.9 F)	-21.1 C (-6.0 F)	n/a	n/a
Apr	36.1 C (97.0 F)	-8.9 C (16.0 F)	n/a	n/a
May	35.6 C (96.1 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	3.9 C (39.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	6.7 C (44.1 F)	n/a	n/a
Aug	43.9 C (111.0 F)	5.0 C (41.0 F)	n/a	n/a
Sep	40.6 C (105.1 F)	-2.2 C (28.0 F)	n/a	n/a
Oct	34.4 C (93.9 F)	-9.4 C (15.1 F)	n/a	n/a
Nov	28.3 C (82.9 F)	-19.4 C (-2.9 F)	n/a	n/a
Dec	27.2 C (81.0 F)	-25.6 C (-14.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Birch Tree still stand. 1911 holds the most, with 37.

Standing records at Birch Tree by the year they were set
Year set	Standing records
1893	4
1894	16
1895	23
1896	24
1897	17
1898	19
1899	25
1900	13
1901	23
1902	21
1903	20
1904	11
1905	23
1906	19
1907	33
1908	16
1909	14
1910	25
1911	37
1912	13
1913	17
1914	13
1915	21
1916	14
1917	22
1918	28
1919	12
1920	16
1921	14
1922	10
1923	14
1924	23
1925	37
1926	8
1927	21
1928	22
1929	18
1930	28
1931	19
1932	15
1933	15
1934	36
1935	9
1936	36
1937	14
1938	22
1939	18
1940	19
1941	11
1942	14
1943	32
1944	9
1945	18
1946	4
1947	14
1948	17
1949	12
1950	31
1951	9
1952	37
1953	23
1954	21
1955	24
1956	23
1957	8
1958	15
1959	14
1960	17
1961	25
1962	20
1963	25
1964	22
1965	16
1966	24
1967	29
1968	13

All-Time Record Progression

3 new records

3 all-time records were set at Birch Tree between 1 August 1934 and 9 August 1934. Each dot is a new record.

When Birch Tree set new all-time records
Date	Kind	Detail
1934-08-01	Record high minimum temperature	Record high minimum temperature 26.7 C (80.1 F)
1934-08-08	Record high maximum temperature	Record high maximum temperature 43.3 C (109.9 F)
1934-08-09	Record high maximum temperature	Record high maximum temperature 43.9 C (111.0 F)

Wettest Day of Each Month

Jul: 165.6 mm (6.5 in)

The wettest day on record for each calendar month at Birch Tree. The most was 165.6 mm (6.5 in) on 4 July 1895.

Record daily precipitation for each month at Birch Tree
Month	Record daily precipitation (mm)	Date
Jan	101.6 mm (4.0 in)	3 January 1897
Feb	93.0 mm (3.7 in)	26 February 1945
Mar	92.5 mm (3.6 in)	25 March 1904
Apr	106.7 mm (4.2 in)	26 April 1921
May	108.2 mm (4.3 in)	10 May 1943
Jun	88.4 mm (3.5 in)	18 June 1948
Jul	165.6 mm (6.5 in)	4 July 1895
Aug	125.2 mm (4.9 in)	14 August 1911
Sep	83.8 mm (3.3 in)	13 September 1945
Oct	108.0 mm (4.3 in)	7 October 1930
Nov	109.0 mm (4.3 in)	18 November 1921
Dec	117.9 mm (4.6 in)	19 December 1895

Period of Record Coverage

1893 to 1968

76 years of record at Birch Tree, 1893 to 1968. 11 years have data for under 90 percent of days and are left out of rankings: 1893, 1905, 1906, 1913, 1914, 1923, 1946, 1951 and others.

Days with data per year at Birch Tree
Year	Days with data	Share of year	Complete
1893	153	42%	No
1894	362	99%	Yes
1895	360	99%	Yes
1896	357	98%	Yes
1897	362	99%	Yes
1898	365	100%	Yes
1899	365	100%	Yes
1900	365	100%	Yes
1901	360	99%	Yes
1902	346	95%	Yes
1903	338	93%	Yes
1904	335	92%	Yes
1905	324	89%	No
1906	277	76%	No
1907	350	96%	Yes
1908	349	95%	Yes
1909	329	90%	Yes
1910	333	91%	Yes
1911	330	90%	Yes
1912	344	94%	Yes
1913	324	89%	No
1914	309	85%	No
1915	338	93%	Yes
1916	342	93%	Yes
1917	350	96%	Yes
1918	349	96%	Yes
1919	352	96%	Yes
1920	352	96%	Yes
1921	360	99%	Yes
1922	354	97%	Yes
1923	322	88%	No
1924	350	96%	Yes
1925	344	94%	Yes
1926	363	99%	Yes
1927	361	99%	Yes
1928	366	100%	Yes
1929	361	99%	Yes
1930	363	99%	Yes
1931	362	99%	Yes
1932	365	100%	Yes
1933	360	99%	Yes
1934	364	100%	Yes
1935	364	100%	Yes
1936	365	100%	Yes
1937	364	100%	Yes
1938	364	100%	Yes
1939	364	100%	Yes
1940	366	100%	Yes
1941	360	99%	Yes
1942	356	98%	Yes
1943	363	99%	Yes
1944	343	94%	Yes
1945	346	95%	Yes
1946	152	42%	No
1947	341	93%	Yes
1948	353	96%	Yes
1949	343	94%	Yes
1950	355	97%	Yes
1951	233	64%	No
1952	357	98%	Yes
1953	345	95%	Yes
1954	359	98%	Yes
1955	344	94%	Yes
1956	333	91%	Yes
1957	299	82%	No
1958	347	95%	Yes
1959	351	96%	Yes
1960	283	77%	No
1961	344	94%	Yes
1962	360	99%	Yes
1963	359	98%	Yes
1964	361	99%	Yes
1965	354	97%	Yes
1966	365	100%	Yes
1967	362	99%	Yes
1968	303	83%	No

Latest Records

Latest records at Birch Tree
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1968	Birch Tree, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	18 years	16 of 100 (Routine)
4 October 1968	Birch Tree, US	daily low min	-0.6 C (30.9 F)	2.3 C (4.1 F)	33 years	20 of 100 (Routine)
17 September 1968	Birch Tree, US	daily rain	72.4 mm (2.9 in)	3.3 mm (0.13 in)	63 years	27 of 100 (Routine)
14 September 1968	Birch Tree, US	daily low min (Tie)	5.0 C (41.0 F)	tie	66 years	6 of 100 (Routine)
4 August 1968	Birch Tree, US	daily high min	24.4 C (75.9 F)	0.5 C (0.9 F)	25 years	15 of 100 (Routine)
1 August 1968	Birch Tree, US	daily rain	97.0 mm (3.8 in)	32.5 mm (1.3 in)	64 years	46 of 100 (Notable)
28 July 1968	Birch Tree, US	daily rain	45.7 mm (1.8 in)	16.5 mm (0.6 in)	23 years	22 of 100 (Routine)
4 July 1968	Birch Tree, US	daily low min	7.8 C (46.0 F)	3.3 C (5.9 F)	44 years	31 of 100 (Routine)
30 June 1968	Birch Tree, US	daily high min	22.8 C (73.0 F)	0.6 C (1.1 F)	67 years	28 of 100 (Routine)
28 June 1968	Birch Tree, US	daily low min	9.4 C (48.9 F)	0.6 C (1.1 F)	65 years	27 of 100 (Routine)
27 June 1968	Birch Tree, US	daily low min (Tie)	10.0 C (50.0 F)	tie	7 years	2 of 100 (Routine)
20 May 1968	Birch Tree, US	daily low min	2.2 C (36.0 F)	0.6 C (1.1 F)	73 years	30 of 100 (Routine)
18 May 1968	Birch Tree, US	daily low min	2.2 C (36.0 F)	1.7 C (3.1 F)	72 years	31 of 100 (Routine)
25 April 1968	Birch Tree, US	daily low min (Tie)	-1.7 C (28.9 F)	tie	58 years	6 of 100 (Routine)
29 March 1968	Birch Tree, US	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	5 years	8 of 100 (Routine)
24 March 1968	Birch Tree, US	daily low min	-8.9 C (16.0 F)	1.7 C (3.1 F)	16 years	13 of 100 (Routine)
12 March 1968	Birch Tree, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	73 years	39 of 100 (Notable)
22 February 1968	Birch Tree, US	daily snow depth (Tie)	7.6 cm (3.0 in)	tie	62 years	6 of 100 (Routine)
31 January 1968	Birch Tree, US	daily high min	8.9 C (48.0 F)	0.6 C (1.1 F)	44 years	20 of 100 (Routine)
29 January 1968	Birch Tree, US	daily high min	10.0 C (50.0 F)	0.6 C (1.1 F)	50 years	22 of 100 (Routine)

Climate Trend

61 complete years, 1894 to 1967

One stripe for each of 61 complete years at Birch Tree, 1894 to 1967. Blue stripes are years cooler than the station's own mean of 13.7 C (56.7 F); red stripes are warmer. The coolest year was 1898, at 12.4 C (54.3 F), and the warmest was 1921, at 15.3 C (59.6 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Birch Tree as warming stripes, 1894 to 1967
Year	Annual mean temperature	Difference from the station mean
1894	13.7 C	+0.01 C
1895	12.5 C	-1.26 C
1896	13.9 C	+0.14 C
1897	13.0 C	-0.71 C
1898	12.4 C	-1.33 C
1899	12.9 C	-0.78 C
1900	14.1 C	+0.41 C
1901	13.9 C	+0.19 C
1902	13.6 C	-0.15 C
1903	13.0 C	-0.71 C
1904	13.3 C	-0.41 C
1905	13.3 C	-0.38 C
1907	13.9 C	+0.16 C
1908	14.4 C	+0.65 C
1910	13.6 C	-0.10 C
1911	14.7 C	+0.99 C
1912	12.5 C	-1.23 C
1913	14.0 C	+0.28 C
1915	13.4 C	-0.37 C
1916	13.8 C	+0.05 C
1917	12.4 C	-1.28 C
1918	13.8 C	+0.04 C
1919	14.1 C	+0.35 C
1920	13.2 C	-0.49 C
1921	15.3 C	+1.59 C
1922	14.2 C	+0.46 C
1924	12.7 C	-0.99 C
1926	13.4 C	-0.33 C
1927	14.4 C	+0.63 C
1928	13.3 C	-0.38 C
1929	13.4 C	-0.34 C
1930	14.0 C	+0.30 C
1931	14.9 C	+1.14 C
1932	14.5 C	+0.79 C
1933	14.9 C	+1.13 C
1934	14.6 C	+0.83 C
1935	13.3 C	-0.42 C
1936	14.3 C	+0.60 C
1937	13.5 C	-0.24 C
1938	15.1 C	+1.41 C
1939	14.6 C	+0.87 C
1940	12.8 C	-0.93 C
1941	14.2 C	+0.49 C
1942	13.2 C	-0.51 C
1943	13.5 C	-0.23 C
1944	13.6 C	-0.09 C
1945	13.1 C	-0.60 C
1948	13.3 C	-0.39 C
1949	13.8 C	+0.04 C
1950	13.3 C	-0.38 C
1952	14.0 C	+0.23 C
1953	14.6 C	+0.87 C
1954	14.8 C	+1.05 C
1958	13.0 C	-0.71 C
1959	13.8 C	+0.11 C
1962	13.9 C	+0.13 C
1963	13.5 C	-0.26 C
1964	14.0 C	+0.27 C
1965	14.2 C	+0.48 C
1966	13.2 C	-0.55 C
1967	13.8 C	+0.09 C

The fitted trend in annual mean temperature here over 1894 to 1967 is 0.07 C (-0.02 to 0.15) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.12 F (-0.03 to 0.26) per decade. The slope is a straight line fitted to 61 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Birch Tree
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.07 C (-0.02 to 0.15) per decade	0.12 F (-0.03 to 0.26) per decade	1894 to 1967	61	Not clearly different from zero
Mean daily maximum	0.3 C (0.2 to 0.4) per decade	0.5 F (0.3 to 0.6) per decade	1894 to 1967	61	Rise
Mean daily minimum	-0.13 C (-0.22 to -0.03) per decade	-0.2 F (-0.4 to -0.1) per decade	1894 to 1967	61	Fall

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 1968

Yearly extremes at Birch Tree: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.9 C (111.0 F)	1934	37.8 C (100.0 F)	76
Coldest night (TNn)	-35.6 C (-32.1 F)	1899	-20.0 C (-4.0 F)	76
Wettest day (Rx1day)	165.6 mm (6.5 in)	1895	72.4 mm (2.9 in)	76
Wettest five days (Rx5day)	267.5 mm (10.5 in)	1895	108.8 mm (4.3 in)	76
Longest dry spell (CDD)	50 days	1924	25 days	76

Hottest day (TXx)

The hottest day of the year at Birch Tree, 1893 to 1968. The record is 43.9 C (111.0 F) in 1934, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Birch Tree by year
Year	Hottest day (TXx)
1893	35.6 C (96.1 F)
1894	37.8 C (100.0 F)
1895	36.7 C (98.1 F)
1896	39.4 C (102.9 F)
1897	36.1 C (97.0 F)
1898	33.9 C (93.0 F)
1899	37.8 C (100.0 F)
1900	37.2 C (99.0 F)
1901	42.8 C (109.0 F)
1902	37.2 C (99.0 F)
1903	33.3 C (91.9 F)
1904	33.3 C (91.9 F)
1905	36.1 C (97.0 F)
1906	34.4 C (93.9 F)
1907	38.9 C (102.0 F)
1908	35.0 C (95.0 F)
1909	37.8 C (100.0 F)
1910	35.0 C (95.0 F)
1911	37.8 C (100.0 F)
1912	36.7 C (98.1 F)
1913	40.6 C (105.1 F)
1914	39.4 C (102.9 F)
1915	36.1 C (97.0 F)
1916	37.8 C (100.0 F)
1917	35.0 C (95.0 F)
1918	41.7 C (107.1 F)
1919	36.7 C (98.1 F)
1920	38.3 C (100.9 F)
1921	37.8 C (100.0 F)
1922	37.8 C (100.0 F)
1923	36.7 C (98.1 F)
1924	33.9 C (93.0 F)
1925	40.0 C (104.0 F)
1926	39.4 C (102.9 F)
1927	35.6 C (96.1 F)
1928	33.9 C (93.0 F)
1929	36.7 C (98.1 F)
1930	41.1 C (106.0 F)
1931	38.3 C (100.9 F)
1932	37.8 C (100.0 F)
1933	38.9 C (102.0 F)
1934	43.9 C (111.0 F)
1935	37.2 C (99.0 F)
1936	42.8 C (109.0 F)
1937	38.3 C (100.9 F)
1938	38.9 C (102.0 F)
1939	37.8 C (100.0 F)
1940	38.3 C (100.9 F)
1941	38.3 C (100.9 F)
1942	38.9 C (102.0 F)
1943	40.0 C (104.0 F)
1944	37.8 C (100.0 F)
1945	37.8 C (100.0 F)
1946	32.8 C (91.0 F)
1947	42.2 C (108.0 F)
1948	36.1 C (97.0 F)
1949	36.1 C (97.0 F)
1950	35.6 C (96.1 F)
1951	37.2 C (99.0 F)
1952	41.1 C (106.0 F)
1953	40.0 C (104.0 F)
1954	43.3 C (109.9 F)
1955	37.2 C (99.0 F)
1956	38.9 C (102.0 F)
1957	37.2 C (99.0 F)
1958	35.6 C (96.1 F)
1959	36.1 C (97.0 F)
1960	38.3 C (100.9 F)
1961	35.6 C (96.1 F)
1962	40.6 C (105.1 F)
1963	38.3 C (100.9 F)
1964	42.2 C (108.0 F)
1965	37.8 C (100.0 F)
1966	42.2 C (108.0 F)
1967	35.6 C (96.1 F)
1968	36.7 C (98.1 F)

Coldest night (TNn)

The coldest night of the year at Birch Tree, 1893 to 1968. The record is -35.6 C (-32.1 F) in 1899, marked on the chart; the median year is -20.0 C (-4.0 F).

Coldest night (TNn) at Birch Tree by year
Year	Coldest night (TNn)
1893	-12.8 C (9.0 F)
1894	-25.6 C (-14.1 F)
1895	-24.4 C (-11.9 F)
1896	-15.6 C (3.9 F)
1897	-22.2 C (-8.0 F)
1898	-25.6 C (-14.1 F)
1899	-35.6 C (-32.1 F)
1900	-21.1 C (-6.0 F)
1901	-25.0 C (-13.0 F)
1902	-19.4 C (-2.9 F)
1903	-22.2 C (-8.0 F)
1904	-20.6 C (-5.1 F)
1905	-27.2 C (-17.0 F)
1906	-17.2 C (1.0 F)
1907	-17.2 C (1.0 F)
1908	-15.6 C (3.9 F)
1909	-18.9 C (-2.0 F)
1910	-24.4 C (-11.9 F)
1911	-19.4 C (-2.9 F)
1912	-28.3 C (-18.9 F)
1913	-15.0 C (5.0 F)
1914	-22.2 C (-8.0 F)
1915	-15.0 C (5.0 F)
1916	-22.2 C (-8.0 F)
1917	-25.6 C (-14.1 F)
1918	-28.3 C (-18.9 F)
1919	-19.4 C (-2.9 F)
1920	-15.0 C (5.0 F)
1921	-12.2 C (10.0 F)
1922	-12.2 C (10.0 F)
1923	-16.1 C (3.0 F)
1924	-22.8 C (-9.0 F)
1925	-18.9 C (-2.0 F)
1926	-22.8 C (-9.0 F)
1927	-18.9 C (-2.0 F)
1928	-21.1 C (-6.0 F)
1929	-24.4 C (-11.9 F)
1930	-28.3 C (-18.9 F)
1931	-17.8 C (0.0 F)
1932	-16.1 C (3.0 F)
1933	-20.0 C (-4.0 F)
1934	-18.3 C (-0.9 F)
1935	-17.8 C (0.0 F)
1936	-23.3 C (-9.9 F)
1937	-15.0 C (5.0 F)
1938	-14.4 C (6.1 F)
1939	-13.3 C (8.1 F)
1940	-22.8 C (-9.0 F)
1941	-13.3 C (8.1 F)
1942	-31.1 C (-24.0 F)
1943	-22.2 C (-8.0 F)
1944	-20.6 C (-5.1 F)
1945	-21.7 C (-7.1 F)
1946	-17.2 C (1.0 F)
1947	-17.8 C (0.0 F)
1948	-20.6 C (-5.1 F)
1949	-18.3 C (-0.9 F)
1950	-19.4 C (-2.9 F)
1951	-32.8 C (-27.0 F)
1952	-13.9 C (7.0 F)
1953	-16.1 C (3.0 F)
1954	-18.3 C (-0.9 F)
1955	-19.4 C (-2.9 F)
1956	-15.0 C (5.0 F)
1957	-16.7 C (1.9 F)
1958	-20.6 C (-5.1 F)
1959	-21.1 C (-6.0 F)
1960	-21.7 C (-7.1 F)
1961	-25.0 C (-13.0 F)
1962	-26.1 C (-15.0 F)
1963	-28.9 C (-20.0 F)
1964	-22.8 C (-9.0 F)
1965	-19.4 C (-2.9 F)
1966	-21.1 C (-6.0 F)
1967	-17.8 C (0.0 F)
1968	-20.0 C (-4.0 F)

Wettest day (Rx1day)

The wettest day of the year at Birch Tree, 1893 to 1968. The record is 165.6 mm (6.5 in) in 1895, marked on the chart; the median year is 72.4 mm (2.9 in).

Wettest day (Rx1day) at Birch Tree by year
Year	Wettest day (Rx1day)
1893	35.3 mm (1.4 in)
1894	67.8 mm (2.7 in)
1895	165.6 mm (6.5 in)
1896	46.2 mm (1.8 in)
1897	101.6 mm (4.0 in)
1898	74.2 mm (2.9 in)
1899	63.5 mm (2.5 in)
1900	82.8 mm (3.3 in)
1901	53.1 mm (2.1 in)
1902	45.0 mm (1.8 in)
1903	56.4 mm (2.2 in)
1904	92.5 mm (3.6 in)
1905	69.1 mm (2.7 in)
1906	127.0 mm (5.0 in)
1907	40.6 mm (1.6 in)
1908	49.5 mm (1.9 in)
1909	64.3 mm (2.5 in)
1910	75.4 mm (3.0 in)
1911	125.2 mm (4.9 in)
1912	73.7 mm (2.9 in)
1913	58.7 mm (2.3 in)
1914	80.0 mm (3.1 in)
1915	78.2 mm (3.1 in)
1916	52.1 mm (2.1 in)
1917	94.0 mm (3.7 in)
1918	78.7 mm (3.1 in)
1919	50.8 mm (2.0 in)
1920	49.8 mm (2.0 in)
1921	109.0 mm (4.3 in)
1922	50.3 mm (2.0 in)
1923	57.2 mm (2.3 in)
1924	63.5 mm (2.5 in)
1925	63.5 mm (2.5 in)
1926	83.8 mm (3.3 in)
1927	109.2 mm (4.3 in)
1928	80.0 mm (3.1 in)
1929	62.7 mm (2.5 in)
1930	108.0 mm (4.3 in)
1931	54.6 mm (2.1 in)
1932	84.8 mm (3.3 in)
1933	80.0 mm (3.1 in)
1934	75.7 mm (3.0 in)
1935	81.3 mm (3.2 in)
1936	59.7 mm (2.4 in)
1937	61.0 mm (2.4 in)
1938	78.7 mm (3.1 in)
1939	61.7 mm (2.4 in)
1940	53.3 mm (2.1 in)
1941	66.3 mm (2.6 in)
1942	86.1 mm (3.4 in)
1943	108.2 mm (4.3 in)
1944	64.5 mm (2.5 in)
1945	93.0 mm (3.7 in)
1946	78.7 mm (3.1 in)
1947	33.0 mm (1.3 in)
1948	97.5 mm (3.8 in)
1949	61.0 mm (2.4 in)
1950	80.0 mm (3.1 in)
1951	63.8 mm (2.5 in)
1952	71.1 mm (2.8 in)
1953	61.0 mm (2.4 in)
1954	90.2 mm (3.6 in)
1955	64.5 mm (2.5 in)
1956	87.4 mm (3.4 in)
1957	78.7 mm (3.1 in)
1958	89.9 mm (3.5 in)
1959	55.1 mm (2.2 in)
1960	54.9 mm (2.2 in)
1961	61.2 mm (2.4 in)
1962	63.0 mm (2.5 in)
1963	82.8 mm (3.3 in)
1964	77.7 mm (3.1 in)
1965	83.8 mm (3.3 in)
1966	87.9 mm (3.5 in)
1967	70.6 mm (2.8 in)
1968	97.0 mm (3.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Birch Tree, 1893 to 1968. The record is 267.5 mm (10.5 in) in 1895, marked on the chart; the median year is 108.8 mm (4.3 in).

Wettest five days (Rx5day) at Birch Tree by year
Year	Wettest five days (Rx5day)
1893	49.3 mm (1.9 in)
1894	98.5 mm (3.9 in)
1895	267.5 mm (10.5 in)
1896	81.5 mm (3.2 in)
1897	160.5 mm (6.3 in)
1898	149.7 mm (5.9 in)
1899	136.4 mm (5.4 in)
1900	119.1 mm (4.7 in)
1901	61.2 mm (2.4 in)
1902	87.1 mm (3.4 in)
1903	102.8 mm (4.0 in)
1904	98.3 mm (3.9 in)
1905	87.1 mm (3.4 in)
1906	254.0 mm (10.0 in)
1907	97.0 mm (3.8 in)
1908	105.2 mm (4.1 in)
1909	83.9 mm (3.3 in)
1910	125.3 mm (4.9 in)
1911	130.3 mm (5.1 in)
1912	137.1 mm (5.4 in)
1913	111.2 mm (4.4 in)
1914	144.2 mm (5.7 in)
1915	211.8 mm (8.3 in)
1916	137.8 mm (5.4 in)
1917	121.9 mm (4.8 in)
1918	144.0 mm (5.7 in)
1919	70.4 mm (2.8 in)
1920	73.5 mm (2.9 in)
1921	165.9 mm (6.5 in)
1922	96.2 mm (3.8 in)
1923	124.5 mm (4.9 in)
1924	78.2 mm (3.1 in)
1925	122.5 mm (4.8 in)
1926	94.0 mm (3.7 in)
1927	124.2 mm (4.9 in)
1928	159.8 mm (6.3 in)
1929	135.8 mm (5.3 in)
1930	116.9 mm (4.6 in)
1931	88.1 mm (3.5 in)
1932	98.5 mm (3.9 in)
1933	121.1 mm (4.8 in)
1934	135.4 mm (5.3 in)
1935	160.8 mm (6.3 in)
1936	74.0 mm (2.9 in)
1937	105.5 mm (4.2 in)
1938	132.3 mm (5.2 in)
1939	110.5 mm (4.4 in)
1940	106.9 mm (4.2 in)
1941	122.7 mm (4.8 in)
1942	94.7 mm (3.7 in)
1943	157.8 mm (6.2 in)
1944	86.2 mm (3.4 in)
1945	150.3 mm (5.9 in)
1946	90.7 mm (3.6 in)
1947	55.1 mm (2.2 in)
1948	101.1 mm (4.0 in)
1949	161.1 mm (6.3 in)
1950	97.8 mm (3.9 in)
1951	88.5 mm (3.5 in)
1952	106.7 mm (4.2 in)
1953	64.5 mm (2.5 in)
1954	109.2 mm (4.3 in)
1955	87.6 mm (3.4 in)
1956	104.2 mm (4.1 in)
1957	120.9 mm (4.8 in)
1958	184.2 mm (7.3 in)
1959	108.4 mm (4.3 in)
1960	54.9 mm (2.2 in)
1961	107.7 mm (4.2 in)
1962	78.0 mm (3.1 in)
1963	131.7 mm (5.2 in)
1964	134.7 mm (5.3 in)
1965	92.7 mm (3.6 in)
1966	135.7 mm (5.3 in)
1967	92.4 mm (3.6 in)
1968	142.7 mm (5.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Birch Tree, 1893 to 1968. The record is 50 days in 1924, marked on the chart; the median year is 25 days.

Longest dry spell (CDD) at Birch Tree by year
Year	Longest dry spell (CDD)
1893	13 days
1894	16 days
1895	23 days
1896	20 days
1897	25 days
1898	23 days
1899	16 days
1900	24 days
1901	18 days
1902	25 days
1903	26 days
1904	40 days
1905	12 days
1906	21 days
1907	22 days
1908	26 days
1909	27 days
1910	28 days
1911	26 days
1912	26 days
1913	39 days
1914	25 days
1915	24 days
1916	20 days
1917	26 days
1918	22 days
1919	25 days
1920	20 days
1921	22 days
1922	25 days
1923	14 days
1924	50 days
1925	22 days
1926	28 days
1927	20 days
1928	16 days
1929	20 days
1930	36 days
1931	25 days
1932	18 days
1933	27 days
1934	39 days
1935	20 days
1936	29 days
1937	22 days
1938	24 days
1939	34 days
1940	26 days
1941	19 days
1942	22 days
1943	28 days
1944	25 days
1945	26 days
1946	15 days
1947	25 days
1948	20 days
1949	39 days
1950	25 days
1951	15 days
1952	18 days
1953	27 days
1954	28 days
1955	38 days
1956	19 days
1957	22 days
1958	34 days
1959	26 days
1960	29 days
1961	20 days
1962	17 days
1963	37 days
1964	33 days
1965	34 days
1966	28 days
1967	20 days
1968	18 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

61 years with a frost

Across 61 years with a frost, the median last spring frost at Birch Tree falls on 16 April and the median first autumn frost on 18 October, which leaves a median of 186 days between them.

In 1930 to 1967 the median growing season was 181 days. That is 9 days fewer than in 1894 to 1928.

Fitted over all years, the growing season changes by -3.3 days per decade at this station.

Frost dates and growing season at Birch Tree
Measure	Median, all years	Earliest period (1894 to 1928)	Recent period (1930 to 1967)	Recent against earliest	Fitted trend
Last spring frost	16 April	14 April	17 April	3 days later	+2.2 days per decade
First autumn frost	18 October	21 October	16 October	5 days earlier	-1.2 days per decade
Growing days	186 days	190 days	181 days	9 days fewer	-3.3 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

65 years, 1894 to 1967

A day with at least 71.3 mm (2.8 in) of rain is expected about once in 2 years. A day with at least 140.4 mm (5.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Birch Tree: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	71.3 mm (2.8 in)
5 years	90.3 mm (3.6 in)
10 years	102.7 mm (4.0 in)
25 years	118.1 mm (4.6 in)
50 years	129.3 mm (5.1 in)
100 years	140.4 mm (5.5 in)	Longer than the 65 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, 65 years of values from 1894 to 1967.

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: 165.6 mm (6.5 in) in 1895; 125.2 mm (4.9 in) in 1911; 109.2 mm (4.3 in) in 1927.

Station Changes

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

Download the Data

Data for Birch Tree standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Birch Tree 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).