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Built 2026-10-19 (19 October 2026)

Osteraker Threshold Days by Year (SWE00138972)

3 fixed thresholds counted per year at Osteraker (SWE00138972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Osteraker Thresholds

  • Osteraker: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1960 with 25.
  • Osteraker: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1995 with 4.
  • Osteraker: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1957 with 1.
  • 3 fixed thresholds have at least one qualifying day at Osteraker.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Osteraker Days per year at Osteraker with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1960. 01020301954: 191955: 121956: 141957: 161958: 151959: 91960: 251961: 191962: 141963: 161964: 121965: 191966: 121967: 171968: 171969: 81970: 91971: 61972: 121973: 91974: 211976: 81977: 121978: 101979: 211980: 181982: 111983: 101984: 121985: 161986: 151987: 111988: 71989: 51990: 191991: 131992: 141993: 131994: 151995: 121996: 101997: 121998: 12195419591964196919741980198619911996
Days per year at Osteraker with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1960.
Days with 10 mm (0.39 in) or more of precipitation per year at Osteraker
YearDaysDecade average
19541914.2
19551214.2
19561414.2
19571614.2
19581514.2
1959914.2
19602515.9
19611915.9
19621415.9
19631615.9
19641215.9
19651915.9
19661215.9
19671715.9
19681715.9
1969815.9
1970912
1971612
19721212
1973912
19742112
1976812
19771212
19781012
19792112
19801811.7
19821111.7
19831011.7
19841211.7
19851611.7
19861511.7
19871111.7
1988711.7
1989511.7
19901913.3
19911313.3
19921413.3
19931313.3
19941513.3
19951213.3
19961013.3
19971213.3
19981213.3
First to last qualifying date each year at Osteraker For each year, a bar from the first to the last day at Osteraker meeting 10 mm (0.39 in). 1954: 9 January 1954 to 6 November 19541955: 20 April 1955 to 24 December 19551956: 13 January 1956 to 25 November 19561957: 1 February 1957 to 7 December 19571958: 18 January 1958 to 26 December 19581959: 10 January 1959 to 22 December 19591960: 18 January 1960 to 22 December 19601961: 4 January 1961 to 31 December 19611962: 22 January 1962 to 26 October 19621963: 14 January 1963 to 19 December 19631964: 10 February 1964 to 13 December 19641965: 21 January 1965 to 10 December 19651966: 29 January 1966 to 18 December 19661967: 31 January 1967 to 11 November 19671968: 25 January 1968 to 31 October 19681969: 16 April 1969 to 23 November 19691970: 13 January 1970 to 29 October 19701971: 22 January 1971 to 6 November 19711972: 20 February 1972 to 1 November 19721973: 12 February 1973 to 21 November 19731974: 15 January 1974 to 20 December 19741976: 7 January 1976 to 9 December 19761977: 25 January 1977 to 3 November 19771978: 5 March 1978 to 27 September 19781979: 12 January 1979 to 26 November 19791980: 24 April 1980 to 20 November 19801982: 6 February 1982 to 15 December 19821983: 18 January 1983 to 30 December 19831984: 8 January 1984 to 25 October 19841985: 22 January 1985 to 25 December 19851986: 23 March 1986 to 5 December 19861987: 9 May 1987 to 19 November 19871988: 11 January 1988 to 26 December 19881989: 11 March 1989 to 29 October 19891990: 26 February 1990 to 16 November 19901991: 2 January 1991 to 30 September 19911992: 14 February 1992 to 12 November 19921993: 24 May 1993 to 23 December 19931994: 23 March 1994 to 10 December 19941995: 8 January 1995 to 29 September 19951996: 29 March 1996 to 12 November 19961997: 26 March 1997 to 1 October 19971998: 16 April 1998 to 5 December 199819541960196619721979198619921998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Osteraker meeting 10 mm (0.39 in).
First to last qualifying date each year at Osteraker
YearFirst dateLast date
19541954-01-091954-11-06
19551955-04-201955-12-24
19561956-01-131956-11-25
19571957-02-011957-12-07
19581958-01-181958-12-26
19591959-01-101959-12-22
19601960-01-181960-12-22
19611961-01-041961-12-31
19621962-01-221962-10-26
19631963-01-141963-12-19
19641964-02-101964-12-13
19651965-01-211965-12-10
19661966-01-291966-12-18
19671967-01-311967-11-11
19681968-01-251968-10-31
19691969-04-161969-11-23
19701970-01-131970-10-29
19711971-01-221971-11-06
19721972-02-201972-11-01
19731973-02-121973-11-21
19741974-01-151974-12-20
19761976-01-071976-12-09
19771977-01-251977-11-03
19781978-03-051978-09-27
19791979-01-121979-11-26
19801980-04-241980-11-20
19821982-02-061982-12-15
19831983-01-181983-12-30
19841984-01-081984-10-25
19851985-01-221985-12-25
19861986-03-231986-12-05
19871987-05-091987-11-19
19881988-01-111988-12-26
19891989-03-111989-10-29
19901990-02-261990-11-16
19911991-01-021991-09-30
19921992-02-141992-11-12
19931993-05-241993-12-23
19941994-03-231994-12-10
19951995-01-081995-09-29
19961996-03-291996-11-12
19971997-03-261997-10-01
19981998-04-161998-12-05

Every Fixed Threshold

Fixed thresholds at Osteraker
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4325196012
25 mm (0.98 in): Days with 25 mm or more rain29419951
50 mm (1.97 in): Days with 50 mm or more rain3119571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Osteraker 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 . Last revised (2025-12-31).