Stora_Karlso Weather Records (SWE00138036)

Record envelope, standing records and threshold days for Stora_Karlso (SWE00138036), Sweden, with 45 years of record.

Key Facts for Stora_Karlso

Stora_Karlso (SWE00138036) is a weather station in Sweden at 57.29 latitude and 17.96 longitude, 40 m (131 ft) above sea level.
The station reports from 1945 to 1989, 45 years of record.
1,464 records set at Stora_Karlso still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Sweden, 57.29 latitude, 17.96 longitude.
Elevation: 40 m (131 ft).
Period of record: 1945 to 1989, 45 years.
Eligible elements: none yet.

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 Stora_Karlso. 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 Stora_Karlso, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	9.5 C (49.1 F)	-15.1 C (4.8 F)	n/a	n/a
Feb	7.4 C (45.3 F)	-15.0 C (5.0 F)	n/a	n/a
Mar	12.0 C (53.6 F)	-11.6 C (11.1 F)	n/a	n/a
Apr	19.4 C (66.9 F)	-5.0 C (23.0 F)	n/a	n/a
May	26.6 C (79.9 F)	-2.0 C (28.4 F)	n/a	n/a
Jun	26.5 C (79.7 F)	3.0 C (37.4 F)	n/a	n/a
Jul	29.9 C (85.8 F)	7.6 C (45.7 F)	n/a	n/a
Aug	30.5 C (86.9 F)	7.7 C (45.9 F)	n/a	n/a
Sep	24.3 C (75.7 F)	4.4 C (39.9 F)	n/a	n/a
Oct	17.7 C (63.9 F)	-1.3 C (29.7 F)	n/a	n/a
Nov	11.6 C (52.9 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	8.6 C (47.5 F)	-13.7 C (7.3 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Stora_Karlso still stand. 1961 holds the most, with 86.

Standing records at Stora_Karlso by the year they were set
Year set	Standing records
1961	86
1962	30
1963	41
1964	14
1965	48
1966	70
1967	42
1968	65
1969	44
1970	39
1971	44
1972	59
1973	85
1974	33
1975	80
1976	41
1977	61
1978	60
1979	61
1980	47
1981	58
1982	42
1983	46
1984	30
1985	35
1986	37
1987	82
1988	30
1989	54

Wettest Day of Each Month

Aug: 59.2 mm (2.3 in)

The wettest day on record for each calendar month at Stora_Karlso. The most was 59.2 mm (2.3 in) on 4 August 1970.

Record daily precipitation for each month at Stora_Karlso
Month	Record daily precipitation (mm)	Date
Jan	29.5 mm (1.2 in)	8 January 1987
Feb	15.8 mm (0.6 in)	7 February 1974
Mar	31.4 mm (1.2 in)	26 March 1981
Apr	19.3 mm (0.8 in)	28 April 1985
May	29.8 mm (1.2 in)	24 May 1986
Jun	33.2 mm (1.3 in)	27 June 1985
Jul	43.0 mm (1.7 in)	25 July 1974
Aug	59.2 mm (2.3 in)	4 August 1970
Sep	31.5 mm (1.2 in)	17 September 1983
Oct	28.7 mm (1.1 in)	23 October 1966
Nov	18.8 mm (0.7 in)	19 November 1974
Dec	19.9 mm (0.8 in)	6 December 1973

Period of Record Coverage

1961 to 1989

29 years of record at Stora_Karlso, 1961 to 1989. 1 years have data for under 90 percent of days and are left out of rankings: 1989.

Days with data per year at Stora_Karlso
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	364	99%	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	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	257	70%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1961 to 1988

One stripe for each of 28 complete years at Stora_Karlso, 1961 to 1988. Blue stripes are years cooler than the station's own mean of 7.0 C (44.5 F); red stripes are warmer. The coolest year was 1987, at 5.6 C (42.0 F), and the warmest was 1975, at 8.7 C (47.7 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Stora_Karlso as warming stripes, 1961 to 1988
Year	Annual mean temperature	Difference from the station mean
1961	8.2 C	+1.27 C
1962	6.5 C	-0.44 C
1963	6.6 C	-0.38 C
1964	7.1 C	+0.13 C
1965	6.4 C	-0.52 C
1966	6.2 C	-0.81 C
1967	7.7 C	+0.71 C
1968	7.5 C	+0.55 C
1969	6.8 C	-0.21 C
1970	5.9 C	-1.05 C
1971	7.2 C	+0.25 C
1972	7.4 C	+0.43 C
1973	7.8 C	+0.88 C
1974	7.7 C	+0.69 C
1975	8.7 C	+1.76 C
1976	6.5 C	-0.44 C
1977	6.6 C	-0.35 C
1978	6.5 C	-0.49 C
1979	6.1 C	-0.84 C
1980	6.4 C	-0.59 C
1981	6.8 C	-0.15 C
1982	7.4 C	+0.48 C
1983	7.9 C	+0.94 C
1984	7.6 C	+0.68 C
1985	5.7 C	-1.31 C
1986	6.6 C	-0.41 C
1987	5.6 C	-1.40 C
1988	7.5 C	+0.52 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

1945 to 1989

Yearly extremes at Stora_Karlso: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.5 C (86.9 F)	1978	25.7 C (78.3 F)	29
Coldest night (TNn)	-15.1 C (4.8 F)	1979	-9.4 C (15.1 F)	29
Wettest day (Rx1day)	59.2 mm (2.3 in)	1970	26.7 mm (1.1 in)	30
Wettest five days (Rx5day)	79.5 mm (3.1 in)	1970	41.1 mm (1.6 in)	30
Longest dry spell (CDD)	70 days	1964	27 days	30

Hottest day (TXx)

The hottest day of the year at Stora_Karlso, 1945 to 1989. The record is 30.5 C (86.9 F) in 1978, marked on the chart; the median year is 25.7 C (78.3 F).

Hottest day (TXx) at Stora_Karlso by year
Year	Hottest day (TXx)
1945	n/a
1961	24.0 C (75.2 F)
1962	21.0 C (69.8 F)
1963	26.0 C (78.8 F)
1964	23.8 C (74.8 F)
1965	23.8 C (74.8 F)
1966	28.2 C (82.8 F)
1967	25.2 C (77.4 F)
1968	25.0 C (77.0 F)
1969	28.2 C (82.8 F)
1970	25.8 C (78.4 F)
1971	27.1 C (80.8 F)
1972	27.5 C (81.5 F)
1973	29.9 C (85.8 F)
1974	24.0 C (75.2 F)
1975	28.2 C (82.8 F)
1976	23.0 C (73.4 F)
1977	25.0 C (77.0 F)
1978	30.5 C (86.9 F)
1979	25.7 C (78.3 F)
1980	27.6 C (81.7 F)
1981	28.2 C (82.8 F)
1982	28.2 C (82.8 F)
1983	27.0 C (80.6 F)
1984	24.0 C (75.2 F)
1985	24.3 C (75.7 F)
1986	23.6 C (74.5 F)
1987	23.5 C (74.3 F)
1988	23.8 C (74.8 F)
1989	26.5 C (79.7 F)

Coldest night (TNn)

The coldest night of the year at Stora_Karlso, 1945 to 1989. The record is -15.1 C (4.8 F) in 1979, marked on the chart; the median year is -9.4 C (15.1 F).

Coldest night (TNn) at Stora_Karlso by year
Year	Coldest night (TNn)
1945	n/a
1961	-5.6 C (21.9 F)
1962	-8.0 C (17.6 F)
1963	-10.2 C (13.6 F)
1964	-9.0 C (15.8 F)
1965	-8.1 C (17.4 F)
1966	-15.0 C (5.0 F)
1967	-9.7 C (14.5 F)
1968	-9.8 C (14.4 F)
1969	-12.2 C (10.0 F)
1970	-10.8 C (12.6 F)
1971	-11.3 C (11.7 F)
1972	-9.7 C (14.5 F)
1973	-5.5 C (22.1 F)
1974	-3.9 C (25.0 F)
1975	-6.1 C (21.0 F)
1976	-9.4 C (15.1 F)
1977	-7.6 C (18.3 F)
1978	-13.7 C (7.3 F)
1979	-15.1 C (4.8 F)
1980	-9.5 C (14.9 F)
1981	-8.8 C (16.2 F)
1982	-8.6 C (16.5 F)
1983	-5.5 C (22.1 F)
1984	-5.9 C (21.4 F)
1985	-14.0 C (6.8 F)
1986	-10.5 C (13.1 F)
1987	-14.3 C (6.3 F)
1988	-5.0 C (23.0 F)
1989	-2.8 C (27.0 F)

Wettest day (Rx1day)

The wettest day of the year at Stora_Karlso, 1945 to 1989. The record is 59.2 mm (2.3 in) in 1970, marked on the chart; the median year is 26.7 mm (1.1 in).

Wettest day (Rx1day) at Stora_Karlso by year
Year	Wettest day (Rx1day)
1945	10.7 mm (0.4 in)
1961	21.8 mm (0.9 in)
1962	14.6 mm (0.6 in)
1963	24.0 mm (0.9 in)
1964	22.4 mm (0.9 in)
1965	27.0 mm (1.1 in)
1966	28.7 mm (1.1 in)
1967	13.5 mm (0.5 in)
1968	22.5 mm (0.9 in)
1969	32.3 mm (1.3 in)
1970	59.2 mm (2.3 in)
1971	16.0 mm (0.6 in)
1972	31.7 mm (1.2 in)
1973	23.7 mm (0.9 in)
1974	43.0 mm (1.7 in)
1975	20.8 mm (0.8 in)
1976	32.0 mm (1.3 in)
1977	21.4 mm (0.8 in)
1978	22.6 mm (0.9 in)
1979	28.7 mm (1.1 in)
1980	24.0 mm (0.9 in)
1981	31.4 mm (1.2 in)
1982	26.8 mm (1.1 in)
1983	31.5 mm (1.2 in)
1984	26.5 mm (1.0 in)
1985	33.2 mm (1.3 in)
1986	29.8 mm (1.2 in)
1987	29.5 mm (1.2 in)
1988	26.6 mm (1.0 in)
1989	46.4 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Stora_Karlso, 1945 to 1989. The record is 79.5 mm (3.1 in) in 1970, marked on the chart; the median year is 41.1 mm (1.6 in).

Wettest five days (Rx5day) at Stora_Karlso by year
Year	Wettest five days (Rx5day)
1945	22.2 mm (0.9 in)
1961	34.5 mm (1.4 in)
1962	21.9 mm (0.9 in)
1963	39.4 mm (1.6 in)
1964	24.7 mm (1.0 in)
1965	43.0 mm (1.7 in)
1966	36.0 mm (1.4 in)
1967	24.7 mm (1.0 in)
1968	41.1 mm (1.6 in)
1969	48.7 mm (1.9 in)
1970	79.5 mm (3.1 in)
1971	34.6 mm (1.4 in)
1972	49.4 mm (1.9 in)
1973	57.1 mm (2.2 in)
1974	51.0 mm (2.0 in)
1975	27.1 mm (1.1 in)
1976	32.8 mm (1.3 in)
1977	37.6 mm (1.5 in)
1978	48.4 mm (1.9 in)
1979	31.6 mm (1.2 in)
1980	49.2 mm (1.9 in)
1981	37.8 mm (1.5 in)
1982	46.4 mm (1.8 in)
1983	41.0 mm (1.6 in)
1984	61.3 mm (2.4 in)
1985	56.0 mm (2.2 in)
1986	40.6 mm (1.6 in)
1987	44.9 mm (1.8 in)
1988	58.6 mm (2.3 in)
1989	57.9 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Stora_Karlso, 1945 to 1989. The record is 70 days in 1964, marked on the chart; the median year is 27 days.

Longest dry spell (CDD) at Stora_Karlso by year
Year	Longest dry spell (CDD)
1945	16 days
1961	29 days
1962	26 days
1963	31 days
1964	70 days
1965	28 days
1966	37 days
1967	27 days
1968	26 days
1969	30 days
1970	21 days
1971	25 days
1972	25 days
1973	25 days
1974	41 days
1975	38 days
1976	18 days
1977	31 days
1978	23 days
1979	32 days
1980	21 days
1981	25 days
1982	41 days
1983	31 days
1984	28 days
1985	26 days
1986	17 days
1987	18 days
1988	17 days
1989	46 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Stora_Karlso falls on 25 April and the median first autumn frost on 19 November, which leaves a median of 216 days between them.

Fitted over all years, the growing season changes by -4.6 days per decade at this station.

Frost dates and growing season at Stora_Karlso
Measure	Median, all years	Earliest period	Recent period (1961 to 1988)	Recent against earliest	Fitted trend
Last spring frost	25 April	n/a	25 April	n/a	+0.6 days per decade
First autumn frost	19 November	n/a	19 November	n/a	-4.1 days per decade
Growing days	216 days	n/a	216 days	n/a	-4.6 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 Stora_Karlso standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Stora_Karlso 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).