Havrestrom Threshold Days by Year (SWE00138644)

3 fixed thresholds counted per year at Havrestrom (SWE00138644): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Havrestrom Thresholds

Havrestrom: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1946 with 37.
Havrestrom: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1946 with 6.
Havrestrom: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1950 with 2.
3 fixed thresholds have at least one qualifying day at Havrestrom.

Days with 10 mm (0.39 in) or more of precipitation

39 years with a qualifying day

Days per year at Havrestrom with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1946.

Days with 10 mm (0.39 in) or more of precipitation per year at Havrestrom
Year	Days	Decade average
1945	24	25.8
1946	37	25.8
1947	12	25.8
1948	25	25.8
1949	31	25.8
1950	32	22.4
1951	35	22.4
1952	20	22.4
1953	29	22.4
1954	24	22.4
1955	13	22.4
1956	17	22.4
1957	17	22.4
1958	19	22.4
1959	18	22.4
1960	27	21.9
1961	25	21.9
1962	27	21.9
1963	13	21.9
1964	16	21.9
1965	19	21.9
1966	18	21.9
1967	23	21.9
1968	23	21.9
1969	28	21.9
1970	17	17.5
1971	21	17.5
1972	18	17.5
1973	15	17.5
1974	22	17.5
1975	16	17.5
1976	15	17.5
1977	25	17.5
1978	10	17.5
1979	16	17.5
1980	23	20.8
1981	23	20.8
1982	26	20.8
1983	11	20.8

For each year, a bar from the first to the last day at Havrestrom meeting 10 mm (0.39 in).

First to last qualifying date each year at Havrestrom
Year	First date	Last date
1945	1945-01-18	1945-12-25
1946	1946-01-11	1946-12-11
1947	1947-01-07	1947-11-29
1948	1948-01-05	1948-12-30
1949	1949-01-07	1949-12-19
1950	1950-01-11	1950-12-16
1951	1951-01-03	1951-12-30
1952	1952-02-01	1952-11-20
1953	1953-01-02	1953-12-19
1954	1954-02-24	1954-12-21
1955	1955-05-02	1955-12-17
1956	1956-05-10	1956-12-16
1957	1957-02-14	1957-12-28
1958	1958-04-26	1958-12-25
1959	1959-01-19	1959-12-26
1960	1960-01-05	1960-12-05
1961	1961-01-09	1961-12-30
1962	1962-01-11	1962-11-24
1963	1963-05-24	1963-12-18
1964	1964-06-02	1964-12-13
1965	1965-01-21	1965-12-24
1966	1966-01-01	1966-11-04
1967	1967-02-23	1967-12-27
1968	1968-02-07	1968-11-03
1969	1969-01-13	1969-11-23
1970	1970-03-05	1970-11-28
1971	1971-01-22	1971-12-27
1972	1972-01-21	1972-12-07
1973	1973-02-12	1973-11-18
1974	1974-01-29	1974-11-26
1975	1975-01-21	1975-12-30
1976	1976-07-30	1976-12-27
1977	1977-01-01	1977-12-27
1978	1978-02-12	1978-11-04
1979	1979-04-03	1979-12-28
1980	1980-01-30	1980-12-17
1981	1981-01-14	1981-12-11
1982	1982-01-26	1982-11-25
1983	1983-01-13	1983-12-25

Every Fixed Threshold

Fixed thresholds at Havrestrom
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	39	37	1946	11
25 mm (0.98 in): Days with 25 mm or more rain	33	6	1946	2
50 mm (1.97 in): Days with 50 mm or more rain	6	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Havrestrom 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).

Havrestrom Threshold Days by Year (SWE00138644)

Key Facts for Havrestrom Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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