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Built 2026-10-19 (19 October 2026)

Ostana Threshold Days by Year (SWE00139014)

3 fixed thresholds counted per year at Ostana (SWE00139014): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ostana Thresholds

  • Ostana: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1960 with 27.
  • Ostana: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1960 with 5.
  • Ostana: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1961 with 1.
  • 3 fixed thresholds have at least one qualifying day at Ostana.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ostana Days per year at Ostana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1960. 01020301945: 131946: 121947: 91948: 151949: 151950: 121951: 91952: 261953: 131954: 221955: 121956: 161957: 171958: 181959: 141960: 271961: 201962: 131963: 151964: 131965: 161966: 121967: 141968: 111969: 81970: 91971: 111972: 101973: 81974: 201975: 61976: 101977: 181978: 111979: 191980: 241981: 191982: 101983: 71985: 131986: 171987: 141988: 121989: 91990: 231991: 201993: 131994: 201995: 131996: 51997: 121998: 101999: 162000: 102001: 142002: 152003: 112004: 92005: 152006: 172007: 172008: 192009: 172010: 111945195219591966197319801988199620032010
Days per year at Ostana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1960.
Days with 10 mm (0.39 in) or more of precipitation per year at Ostana
YearDaysDecade average
19451312.8
19461212.8
1947912.8
19481512.8
19491512.8
19501215.9
1951915.9
19522615.9
19531315.9
19542215.9
19551215.9
19561615.9
19571715.9
19581815.9
19591415.9
19602714.9
19612014.9
19621314.9
19631514.9
19641314.9
19651614.9
19661214.9
19671414.9
19681114.9
1969814.9
1970912.2
19711112.2
19721012.2
1973812.2
19742012.2
1975612.2
19761012.2
19771812.2
19781112.2
19791912.2
19802413.9
19811913.9
19821013.9
1983713.9
19851313.9
19861713.9
19871413.9
19881213.9
1989913.9
19902314.7
19912014.7
19931314.7
19942014.7
19951314.7
1996514.7
19971214.7
19981014.7
19991614.7
20001014.4
20011414.4
20021514.4
20031114.4
2004914.4
20051514.4
20061714.4
20071714.4
20081914.4
20091714.4
20101111
First to last qualifying date each year at Ostana For each year, a bar from the first to the last day at Ostana meeting 10 mm (0.39 in). 1945: 18 April 1945 to 8 November 19451946: 3 May 1946 to 5 October 19461947: 2 June 1947 to 3 December 19471948: 6 January 1948 to 2 September 19481949: 27 May 1949 to 17 December 19491950: 15 January 1950 to 24 December 19501951: 3 January 1951 to 4 December 19511952: 11 January 1952 to 13 December 19521953: 31 January 1953 to 15 October 19531954: 3 January 1954 to 23 December 19541955: 10 January 1955 to 19 December 19551956: 19 February 1956 to 25 November 19561957: 1 February 1957 to 7 December 19571958: 5 January 1958 to 26 December 19581959: 10 January 1959 to 22 December 19591960: 5 January 1960 to 22 December 19601961: 4 January 1961 to 31 December 19611962: 22 January 1962 to 26 October 19621963: 5 January 1963 to 16 November 19631964: 28 May 1964 to 30 December 19641965: 21 January 1965 to 10 December 19651966: 29 January 1966 to 18 December 19661967: 30 April 1967 to 11 November 19671968: 2 April 1968 to 31 October 19681969: 20 August 1969 to 23 November 19691970: 13 January 1970 to 31 December 19701971: 22 January 1971 to 6 November 19711972: 12 June 1972 to 1 November 19721973: 16 February 1973 to 14 December 19731974: 15 January 1974 to 12 December 19741975: 29 March 1975 to 29 November 19751976: 5 January 1976 to 9 December 19761977: 10 January 1977 to 3 November 19771978: 5 March 1978 to 26 November 19781979: 12 January 1979 to 26 November 19791980: 19 April 1980 to 31 December 19801981: 30 April 1981 to 30 December 19811982: 6 February 1982 to 10 December 19821983: 18 January 1983 to 30 December 19831985: 22 January 1985 to 6 December 19851986: 19 April 1986 to 21 December 19861987: 9 May 1987 to 28 November 19871988: 29 January 1988 to 26 December 19881989: 25 February 1989 to 27 November 19891990: 24 February 1990 to 7 December 19901991: 10 January 1991 to 18 November 19911993: 24 May 1993 to 23 December 19931994: 23 March 1994 to 10 December 19941995: 22 January 1995 to 15 November 19951996: 4 May 1996 to 12 November 19961997: 29 April 1997 to 23 November 19971998: 20 April 1998 to 26 December 19981999: 6 January 1999 to 17 December 19992000: 7 June 2000 to 28 December 20002001: 19 June 2001 to 28 December 20012002: 22 January 2002 to 13 November 20022003: 4 February 2003 to 28 December 20032004: 19 May 2004 to 25 December 20042005: 8 January 2005 to 29 December 20052006: 28 April 2006 to 31 October 20062007: 10 January 2007 to 31 December 20072008: 1 March 2008 to 12 December 20082009: 24 January 2009 to 5 November 20092010: 20 February 2010 to 19 December 201019451953196119691977198619952003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ostana meeting 10 mm (0.39 in).
First to last qualifying date each year at Ostana
YearFirst dateLast date
19451945-04-181945-11-08
19461946-05-031946-10-05
19471947-06-021947-12-03
19481948-01-061948-09-02
19491949-05-271949-12-17
19501950-01-151950-12-24
19511951-01-031951-12-04
19521952-01-111952-12-13
19531953-01-311953-10-15
19541954-01-031954-12-23
19551955-01-101955-12-19
19561956-02-191956-11-25
19571957-02-011957-12-07
19581958-01-051958-12-26
19591959-01-101959-12-22
19601960-01-051960-12-22
19611961-01-041961-12-31
19621962-01-221962-10-26
19631963-01-051963-11-16
19641964-05-281964-12-30
19651965-01-211965-12-10
19661966-01-291966-12-18
19671967-04-301967-11-11
19681968-04-021968-10-31
19691969-08-201969-11-23
19701970-01-131970-12-31
19711971-01-221971-11-06
19721972-06-121972-11-01
19731973-02-161973-12-14
19741974-01-151974-12-12
19751975-03-291975-11-29
19761976-01-051976-12-09
19771977-01-101977-11-03
19781978-03-051978-11-26
19791979-01-121979-11-26
19801980-04-191980-12-31
19811981-04-301981-12-30
19821982-02-061982-12-10
19831983-01-181983-12-30
19851985-01-221985-12-06
19861986-04-191986-12-21
19871987-05-091987-11-28
19881988-01-291988-12-26
19891989-02-251989-11-27
19901990-02-241990-12-07
19911991-01-101991-11-18
19931993-05-241993-12-23
19941994-03-231994-12-10
19951995-01-221995-11-15
19961996-05-041996-11-12
19971997-04-291997-11-23
19981998-04-201998-12-26
19991999-01-061999-12-17
20002000-06-072000-12-28
20012001-06-192001-12-28
20022002-01-222002-11-13
20032003-02-042003-12-28
20042004-05-192004-12-25
20052005-01-082005-12-29
20062006-04-282006-10-31
20072007-01-102007-12-31
20082008-03-012008-12-12
20092009-01-242009-11-05
20102010-02-202010-12-19

Every Fixed Threshold

Fixed thresholds at Ostana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6427196011
25 mm (0.98 in): Days with 25 mm or more rain45519602
50 mm (1.97 in): Days with 50 mm or more rain3119611

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 Ostana 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).