Stora_Karlso Threshold Days by Year (SWE00138036)

8 fixed thresholds counted per year at Stora_Karlso (SWE00138036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stora_Karlso Thresholds

Stora_Karlso: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1963 with 70.
Stora_Karlso: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1985 with 129.
Stora_Karlso: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1984 with 14.
Stora_Karlso: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1966 with 2.
8 fixed thresholds have at least one qualifying day at Stora_Karlso.

Nights at or below 0 C (32 F)

28 years with a qualifying day

Days per year at Stora_Karlso with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 129 in 1985.

Nights at or below 0 C (32 F) per year at Stora_Karlso
Year	Days	Decade average
1961	48	94.3
1962	82	94.3
1963	119	94.3
1964	101	94.3
1965	106	94.3
1966	117	94.3
1967	76	94.3
1968	82	94.3
1969	118	94.3
1970	125	86.5
1971	78	86.5
1972	73	86.5
1973	54	86.5
1974	50	86.5
1975	50	86.5
1976	108	86.5
1977	96	86.5
1978	106	86.5
1979	125	86.5
1980	119	97.4
1981	108	97.4
1982	81	97.4
1983	64	97.4
1984	77	97.4
1985	129	97.4
1986	110	97.4
1987	101	97.4
1988	88	97.4

For each year, a bar from the first to the last day at Stora_Karlso meeting 0 C (32 F).

First to last qualifying date each year at Stora_Karlso
Year	First date	Last date
1961	1961-01-11	1961-12-30
1962	1962-01-02	1962-12-31
1963	1963-01-01	1963-12-26
1964	1964-01-03	1964-12-31
1965	1965-01-04	1965-12-31
1966	1966-01-01	1966-12-28
1967	1967-01-04	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-28
1973	1973-01-02	1973-12-21
1974	1974-01-03	1974-12-31
1975	1975-01-01	1975-12-26
1976	1976-01-02	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-20
1981	1981-01-03	1981-12-31
1982	1982-01-02	1982-12-14
1983	1983-01-17	1983-12-27
1984	1984-01-09	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-22
1988	1988-01-09	1988-12-26

Every Fixed Threshold

Fixed thresholds at Stora_Karlso
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	1	1978	1
0 C (32 F): Ice days (max	28	70	1963	18
0 C (32 F): Frost days (min	28	129	1985	88
-10 C (14 F): Days with min	10	16	1987	16
20 C (68 F): Tropical nights (min	4	3	1975	1
10 mm (0.39 in): Days with 10 mm or more rain	28	14	1984	9
25 mm (0.98 in): Days with 25 mm or more rain	16	2	1966	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

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). Threshold counts are computed by this site.

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

Stora_Karlso Threshold Days by Year (SWE00138036)

Key Facts for Stora_Karlso Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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