Alvhem Threshold Days by Year (SWE00138324)

10 fixed thresholds counted per year at Alvhem (SWE00138324): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alvhem Thresholds

Alvhem: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1963 with 69.
Alvhem: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1985 with 173.
Alvhem: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1963 with 54.
Alvhem: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1977 with 35.
10 fixed thresholds have at least one qualifying day at Alvhem.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Alvhem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1982.

Days at or above 30 C (86 F) per year at Alvhem
Year	Days	Decade average
1952	1	1.8
1953	2	1.8
1955	4	1.8
1958	1	1.8
1959	1	1.8
1960	1	2.4
1964	1	2.4
1966	2	2.4
1968	2	2.4
1969	6	2.4
1970	1	2.4
1973	2	2.4
1975	7	2.4
1978	1	2.4
1979	1	2.4
1980	1	3.5
1982	10	3.5
1988	1	3.5
1989	2	3.5
1991	2	2

For each year, a bar from the first to the last day at Alvhem meeting 30 C (86 F).

First to last qualifying date each year at Alvhem
Year	First date	Last date
1952	1952-07-07	1952-07-07
1953	1953-06-29	1953-07-01
1955	1955-07-11	1955-07-30
1958	1958-07-04	1958-07-04
1959	1959-06-26	1959-06-26
1960	1960-06-25	1960-06-25
1964	1964-06-14	1964-06-14
1966	1966-06-16	1966-06-17
1968	1968-06-17	1968-07-02
1969	1969-07-29	1969-08-07
1970	1970-06-19	1970-06-19
1973	1973-07-06	1973-07-07
1975	1975-08-05	1975-08-11
1978	1978-07-31	1978-07-31
1979	1979-06-01	1979-06-01
1980	1980-06-05	1980-06-05
1982	1982-06-04	1982-08-08
1988	1988-06-27	1988-06-27
1989	1989-07-08	1989-07-25
1991	1991-07-06	1991-07-08

Every Fixed Threshold

Fixed thresholds at Alvhem
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	10	1982	2
90 F (32.2 C): Days	4	6	1982	1
0 C (32 F): Ice days (max	39	69	1963	29
0 C (32 F): Frost days (min	39	173	1985	107
-10 C (14 F): Days with min	38	54	1963	5
-20 C (-4 F): Days with min	26	14	1963	1
-30 C (-22 F): Days with min	2	2	1966	1
10 mm (0.39 in): Days with 10 mm or more rain	31	35	1977	19
25 mm (0.98 in): Days with 25 mm or more rain	28	7	1967	3
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1972	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Alvhem 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).

Alvhem Threshold Days by Year (SWE00138324)

Key Facts for Alvhem Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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