Kalmar_Flygflottilj Weather Records (SWE00137840)

Record envelope, standing records and threshold days for Kalmar_Flygflottilj (SWE00137840), Sweden, with 33 years of record.

Key Facts for Kalmar_Flygflottilj

Kalmar_Flygflottilj (SWE00137840) is a weather station in Sweden at 56.73 latitude and 16.29 longitude, 6 m (20 ft) above sea level.
The station reports from 1947 to 1979, 33 years of record.
1,464 records set at Kalmar_Flygflottilj still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Kalmar_Flygflottilj set a daily record precipitation of 39.2 mm (1.5 in) on 10 August 1979.

About the Station

Location: Sweden, 56.73 latitude, 16.29 longitude.
Elevation: 6 m (20 ft).
Period of record: 1947 to 1979, 33 years.
Eligible elements: prcp.

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 Kalmar_Flygflottilj. 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 Kalmar_Flygflottilj, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.3 C (52.3 F)	-24.5 C (-12.1 F)	n/a	n/a
Feb	14.5 C (58.1 F)	-26.5 C (-15.7 F)	n/a	n/a
Mar	20.6 C (69.1 F)	-21.1 C (-6.0 F)	n/a	n/a
Apr	20.4 C (68.7 F)	-11.6 C (11.1 F)	n/a	n/a
May	26.8 C (80.2 F)	-5.1 C (22.8 F)	n/a	n/a
Jun	32.0 C (89.6 F)	-1.2 C (29.8 F)	n/a	n/a
Jul	32.0 C (89.6 F)	2.6 C (36.7 F)	n/a	n/a
Aug	33.1 C (91.6 F)	1.3 C (34.3 F)	n/a	n/a
Sep	27.0 C (80.6 F)	-5.7 C (21.7 F)	n/a	n/a
Oct	22.8 C (73.0 F)	-7.5 C (18.5 F)	n/a	n/a
Nov	15.4 C (59.7 F)	-17.3 C (0.9 F)	n/a	n/a
Dec	13.2 C (55.8 F)	-19.6 C (-3.3 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Kalmar_Flygflottilj still stand. 1955 holds the most, with 76.

Standing records at Kalmar_Flygflottilj by the year they were set
Year set	Standing records
1951	42
1952	56
1953	58
1954	23
1955	76
1956	58
1957	50
1958	43
1959	66
1960	27
1961	76
1962	43
1963	46
1964	39
1965	48
1966	55
1967	42
1968	58
1969	56
1970	44
1971	76
1972	44
1973	68
1974	42
1975	69
1976	42
1977	29
1978	55
1979	33

Wettest Day of Each Month

Aug: 50.5 mm (2.0 in)

The wettest day on record for each calendar month at Kalmar_Flygflottilj. The most was 50.5 mm (2.0 in) on 5 August 1951.

Record daily precipitation for each month at Kalmar_Flygflottilj
Month	Record daily precipitation (mm)	Date
Jan	25.8 mm (1.0 in)	3 January 1979
Feb	17.3 mm (0.7 in)	15 February 1973
Mar	17.0 mm (0.7 in)	21 March 1979
Apr	26.2 mm (1.0 in)	10 April 1959
May	44.9 mm (1.8 in)	27 May 1976
Jun	32.5 mm (1.3 in)	26 June 1949
Jul	39.1 mm (1.5 in)	8 July 1977
Aug	50.5 mm (2.0 in)	5 August 1951
Sep	27.6 mm (1.1 in)	5 September 1978
Oct	28.8 mm (1.1 in)	6 October 1952
Nov	19.3 mm (0.8 in)	27 November 1949
Dec	20.9 mm (0.8 in)	3 December 1976

Period of Record Coverage

1951 to 1979

29 years of record at Kalmar_Flygflottilj, 1951 to 1979. 1 years have data for under 90 percent of days and are left out of rankings: 1979.

Days with data per year at Kalmar_Flygflottilj
Year	Days with data	Share of year	Complete
1951	365	100%	Yes
1952	365	100%	Yes
1953	363	99%	Yes
1954	364	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	348	95%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	273	75%	No

Latest Records

Latest records at Kalmar_Flygflottilj
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1979	Kalmar_Flygflottilj, SE	daily rain	39.2 mm (1.5 in)	15.8 mm (0.6 in)	26 years	33 of 100 (Routine)
25 July 1979	Kalmar_Flygflottilj, SE	daily rain	16.4 mm (0.6 in)	1.8 mm (0.07 in)	4 years	6 of 100 (Routine)
8 June 1979	Kalmar_Flygflottilj, SE	daily rain	17.4 mm (0.7 in)	11.2 mm (0.4 in)	28 years	20 of 100 (Routine)
24 May 1979	Kalmar_Flygflottilj, SE	daily rain	6.2 mm (0.24 in)	4.9 mm (0.19 in)	4 years	13 of 100 (Routine)
2 May 1979	Kalmar_Flygflottilj, SE	daily rain	7.6 mm (0.30 in)	2.9 mm (0.11 in)	9 years	10 of 100 (Routine)
24 April 1979	Kalmar_Flygflottilj, SE	daily rain	15.3 mm (0.6 in)	5.7 mm (0.22 in)	0 years	20 of 100 (Routine)
1 April 1979	Kalmar_Flygflottilj, SE	daily rain	5.5 mm (0.22 in)	2.2 mm (0.09 in)	26 years	17 of 100 (Routine)
31 March 1979	Kalmar_Flygflottilj, SE	daily rain	9.1 mm (0.36 in)	0.1 mm (0.00 in)	8 years	5 of 100 (Routine)
21 March 1979	Kalmar_Flygflottilj, SE	monthly rain	17.0 mm (0.7 in)	0.1 mm (0.00 in)	12 years	16 of 100 (Routine)
17 March 1979	Kalmar_Flygflottilj, SE	daily rain	13.2 mm (0.5 in)	0.7 mm (0.03 in)	4 years	6 of 100 (Routine)
9 March 1979	Kalmar_Flygflottilj, SE	daily rain	12.0 mm (0.5 in)	7.4 mm (0.29 in)	8 years	20 of 100 (Routine)
18 February 1979	Kalmar_Flygflottilj, SE	daily rain	10.1 mm (0.4 in)	1.0 mm (0.04 in)	5 years	7 of 100 (Routine)
14 February 1979	Kalmar_Flygflottilj, SE	daily rain	4.9 mm (0.19 in)	0.7 mm (0.03 in)	12 years	8 of 100 (Routine)
8 February 1979	Kalmar_Flygflottilj, SE	daily rain	10.8 mm (0.4 in)	4.4 mm (0.17 in)	9 years	20 of 100 (Routine)
24 January 1979	Kalmar_Flygflottilj, SE	daily rain	3.9 mm (0.15 in)	1.4 mm (0.06 in)	0 years	8 of 100 (Routine)
3 January 1979	Kalmar_Flygflottilj, SE	monthly rain	25.8 mm (1.0 in)	9.4 mm (0.37 in)	27 years	57 of 100 (Notable)

Climate Trend

27 complete years, 1951 to 1978

One stripe for each of 27 complete years at Kalmar_Flygflottilj, 1951 to 1978. Blue stripes are years cooler than the station's own mean of 6.7 C (44.0 F); red stripes are warmer. The coolest year was 1956, at 5.4 C (41.7 F), and the warmest was 1975, at 8.3 C (46.9 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Kalmar_Flygflottilj as warming stripes, 1951 to 1978
Year	Annual mean temperature	Difference from the station mean
1951	7.1 C	+0.49 C
1952	5.8 C	-0.87 C
1953	7.7 C	+1.09 C
1954	6.4 C	-0.29 C
1955	5.9 C	-0.74 C
1956	5.4 C	-1.25 C
1957	7.0 C	+0.35 C
1958	6.1 C	-0.57 C
1959	7.9 C	+1.25 C
1961	7.9 C	+1.26 C
1962	6.1 C	-0.60 C
1963	5.7 C	-0.96 C
1964	6.7 C	+0.01 C
1965	5.6 C	-1.02 C
1966	5.9 C	-0.75 C
1967	7.3 C	+0.68 C
1968	6.7 C	+0.09 C
1969	6.3 C	-0.38 C
1970	5.5 C	-1.13 C
1971	7.0 C	+0.30 C
1972	7.3 C	+0.61 C
1973	7.2 C	+0.51 C
1974	7.5 C	+0.88 C
1975	8.3 C	+1.60 C
1976	6.3 C	-0.33 C
1977	6.7 C	+0.08 C
1978	6.4 C	-0.29 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1947 to 1979

Yearly extremes at Kalmar_Flygflottilj: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.1 C (91.6 F)	1975	27.8 C (82.0 F)	29
Coldest night (TNn)	-26.5 C (-15.7 F)	1966	-19.0 C (-2.2 F)	29
Wettest day (Rx1day)	50.5 mm (2.0 in)	1951	27.4 mm (1.1 in)	31
Wettest five days (Rx5day)	70.2 mm (2.8 in)	1969	44.5 mm (1.8 in)	31
Longest dry spell (CDD)	69 days	1964	24 days	31

Hottest day (TXx)

The hottest day of the year at Kalmar_Flygflottilj, 1947 to 1979. The record is 33.1 C (91.6 F) in 1975, marked on the chart; the median year is 27.8 C (82.0 F).

Hottest day (TXx) at Kalmar_Flygflottilj by year
Year	Hottest day (TXx)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	25.8 C (78.4 F)
1952	27.4 C (81.3 F)
1953	30.6 C (87.1 F)
1954	27.8 C (82.0 F)
1955	29.0 C (84.2 F)
1956	26.8 C (80.2 F)
1957	28.7 C (83.7 F)
1958	27.7 C (81.9 F)
1959	32.0 C (89.6 F)
1960	23.6 C (74.5 F)
1961	30.6 C (87.1 F)
1962	26.3 C (79.3 F)
1963	28.0 C (82.4 F)
1964	26.6 C (79.9 F)
1965	24.5 C (76.1 F)
1966	25.6 C (78.1 F)
1967	26.1 C (79.0 F)
1968	27.0 C (80.6 F)
1969	30.5 C (86.9 F)
1970	32.0 C (89.6 F)
1971	28.6 C (83.5 F)
1972	31.3 C (88.3 F)
1973	28.6 C (83.5 F)
1974	26.0 C (78.8 F)
1975	33.1 C (91.6 F)
1976	28.6 C (83.5 F)
1977	27.2 C (81.0 F)
1978	29.4 C (84.9 F)
1979	27.4 C (81.3 F)

Coldest night (TNn)

The coldest night of the year at Kalmar_Flygflottilj, 1947 to 1979. The record is -26.5 C (-15.7 F) in 1966, marked on the chart; the median year is -19.0 C (-2.2 F).

Coldest night (TNn) at Kalmar_Flygflottilj by year
Year	Coldest night (TNn)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	-12.9 C (8.8 F)
1952	-16.2 C (2.8 F)
1953	-24.0 C (-11.2 F)
1954	-16.0 C (3.2 F)
1955	-21.0 C (-5.8 F)
1956	-25.4 C (-13.7 F)
1957	-14.0 C (6.8 F)
1958	-20.5 C (-4.9 F)
1959	-15.0 C (5.0 F)
1960	-21.5 C (-6.7 F)
1961	-17.0 C (1.4 F)
1962	-19.0 C (-2.2 F)
1963	-24.5 C (-12.1 F)
1964	-16.5 C (2.3 F)
1965	-18.2 C (-0.8 F)
1966	-26.5 C (-15.7 F)
1967	-19.2 C (-2.6 F)
1968	-20.3 C (-4.5 F)
1969	-19.5 C (-3.1 F)
1970	-21.8 C (-7.2 F)
1971	-16.2 C (2.8 F)
1972	-15.3 C (4.5 F)
1973	-13.1 C (8.4 F)
1974	-11.7 C (10.9 F)
1975	-12.0 C (10.4 F)
1976	-19.0 C (-2.2 F)
1977	-14.0 C (6.8 F)
1978	-21.0 C (-5.8 F)
1979	-22.5 C (-8.5 F)

Wettest day (Rx1day)

The wettest day of the year at Kalmar_Flygflottilj, 1947 to 1979. The record is 50.5 mm (2.0 in) in 1951, marked on the chart; the median year is 27.4 mm (1.1 in).

Wettest day (Rx1day) at Kalmar_Flygflottilj by year
Year	Wettest day (Rx1day)
1947	n/a
1948	n/a
1949	32.5 mm (1.3 in)
1950	17.0 mm (0.7 in)
1951	50.5 mm (2.0 in)
1952	28.8 mm (1.1 in)
1953	28.6 mm (1.1 in)
1954	24.5 mm (1.0 in)
1955	24.1 mm (0.9 in)
1956	37.8 mm (1.5 in)
1957	46.3 mm (1.8 in)
1958	22.0 mm (0.9 in)
1959	26.2 mm (1.0 in)
1960	27.4 mm (1.1 in)
1961	22.8 mm (0.9 in)
1962	16.5 mm (0.6 in)
1963	26.0 mm (1.0 in)
1964	26.1 mm (1.0 in)
1965	36.0 mm (1.4 in)
1966	17.0 mm (0.7 in)
1967	20.5 mm (0.8 in)
1968	25.7 mm (1.0 in)
1969	32.8 mm (1.3 in)
1970	27.8 mm (1.1 in)
1971	23.0 mm (0.9 in)
1972	35.0 mm (1.4 in)
1973	27.4 mm (1.1 in)
1974	19.8 mm (0.8 in)
1975	16.5 mm (0.6 in)
1976	44.9 mm (1.8 in)
1977	39.1 mm (1.5 in)
1978	27.6 mm (1.1 in)
1979	39.2 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Kalmar_Flygflottilj, 1947 to 1979. The record is 70.2 mm (2.8 in) in 1969, marked on the chart; the median year is 44.5 mm (1.8 in).

Wettest five days (Rx5day) at Kalmar_Flygflottilj by year
Year	Wettest five days (Rx5day)
1947	n/a
1948	n/a
1949	47.2 mm (1.9 in)
1950	32.7 mm (1.3 in)
1951	59.9 mm (2.4 in)
1952	54.3 mm (2.1 in)
1953	46.1 mm (1.8 in)
1954	36.7 mm (1.4 in)
1955	37.6 mm (1.5 in)
1956	51.6 mm (2.0 in)
1957	61.0 mm (2.4 in)
1958	33.1 mm (1.3 in)
1959	48.5 mm (1.9 in)
1960	67.4 mm (2.7 in)
1961	40.7 mm (1.6 in)
1962	24.5 mm (1.0 in)
1963	32.1 mm (1.3 in)
1964	40.2 mm (1.6 in)
1965	55.2 mm (2.2 in)
1966	29.9 mm (1.2 in)
1967	38.3 mm (1.5 in)
1968	38.4 mm (1.5 in)
1969	70.2 mm (2.8 in)
1970	53.8 mm (2.1 in)
1971	26.9 mm (1.1 in)
1972	70.1 mm (2.8 in)
1973	66.7 mm (2.6 in)
1974	47.9 mm (1.9 in)
1975	23.6 mm (0.9 in)
1976	55.5 mm (2.2 in)
1977	44.5 mm (1.8 in)
1978	39.4 mm (1.6 in)
1979	41.9 mm (1.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Kalmar_Flygflottilj, 1947 to 1979. The record is 69 days in 1964, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Kalmar_Flygflottilj by year
Year	Longest dry spell (CDD)
1947	n/a
1948	n/a
1949	17 days
1950	10 days
1951	33 days
1952	19 days
1953	34 days
1954	19 days
1955	32 days
1956	23 days
1957	17 days
1958	25 days
1959	43 days
1960	26 days
1961	27 days
1962	32 days
1963	23 days
1964	69 days
1965	16 days
1966	29 days
1967	26 days
1968	24 days
1969	50 days
1970	22 days
1971	19 days
1972	27 days
1973	26 days
1974	24 days
1975	37 days
1976	21 days
1977	18 days
1978	21 days
1979	21 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

27 years with a frost

Across 27 years with a frost, the median last spring frost at Kalmar_Flygflottilj falls on 16 May and the median first autumn frost on 1 October, which leaves a median of 139 days between them.

Fitted over all years, the growing season changes by +2.6 days per decade at this station.

Frost dates and growing season at Kalmar_Flygflottilj
Measure	Median, all years	Earliest period	Recent period (1951 to 1978)	Recent against earliest	Fitted trend
Last spring frost	16 May	n/a	16 May	n/a	-1.2 days per decade
First autumn frost	1 October	n/a	1 October	n/a	+1.3 days per decade
Growing days	139 days	n/a	139 days	n/a	+2.6 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.

Download the Data

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