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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Oster Threshold Days by Year (UPM00033236)

10 fixed thresholds counted per year at Oster (UPM00033236): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oster Thresholds

  • Oster: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1980 with 26.
  • Oster: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1967 with 5.
  • Oster: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1962 with 1.
  • Oster: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 2001 with 19.
  • 10 fixed thresholds have at least one qualifying day at Oster.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Oster Days per year at Oster with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1980. 01020301960: 191962: 201963: 101964: 131965: 131966: 191967: 161968: 181969: 181970: 211971: 221972: 41973: 121974: 111975: 101977: 201979: 161980: 261981: 171982: 111983: 111984: 171985: 241986: 161987: 191988: 91989: 101990: 201960196419671970197319771981198419871990
Days per year at Oster with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Oster
YearDaysDecade average
19601916.2
19622016.2
19631016.2
19641316.2
19651316.2
19661916.2
19671616.2
19681816.2
19691816.2
19702114.5
19712214.5
1972414.5
19731214.5
19741114.5
19751014.5
19772014.5
19791614.5
19802616
19811716
19821116
19831116
19841716
19852416
19861616
19871916
1988916
19891016
19902020
First to last qualifying date each year at Oster For each year, a bar from the first to the last day at Oster meeting 10 mm (0.39 in). 1960: 19 January 1960 to 29 December 19601962: 14 February 1962 to 22 November 19621963: 8 February 1963 to 13 November 19631964: 1 June 1964 to 27 December 19641965: 4 January 1965 to 9 December 19651966: 12 January 1966 to 12 December 19661967: 4 January 1967 to 10 December 19671968: 3 January 1968 to 27 December 19681969: 2 January 1969 to 3 December 19691970: 17 January 1970 to 19 December 19701971: 1 January 1971 to 9 December 19711972: 17 June 1972 to 13 November 19721973: 17 February 1973 to 16 December 19731974: 16 June 1974 to 27 November 19741975: 24 April 1975 to 18 December 19751977: 17 February 1977 to 17 November 19771979: 13 January 1979 to 7 November 19791980: 1 January 1980 to 3 December 19801981: 14 February 1981 to 18 December 19811982: 27 February 1982 to 18 November 19821983: 13 February 1983 to 29 November 19831984: 9 February 1984 to 18 December 19841985: 6 January 1985 to 26 November 19851986: 8 January 1986 to 24 December 19861987: 12 January 1987 to 30 December 19871988: 6 May 1988 to 7 December 19881989: 27 February 1989 to 16 December 19891990: 16 February 1990 to 12 December 19901960196519691973197919831987JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oster meeting 10 mm (0.39 in).
First to last qualifying date each year at Oster
YearFirst dateLast date
19601960-01-191960-12-29
19621962-02-141962-11-22
19631963-02-081963-11-13
19641964-06-011964-12-27
19651965-01-041965-12-09
19661966-01-121966-12-12
19671967-01-041967-12-10
19681968-01-031968-12-27
19691969-01-021969-12-03
19701970-01-171970-12-19
19711971-01-011971-12-09
19721972-06-171972-11-13
19731973-02-171973-12-16
19741974-06-161974-11-27
19751975-04-241975-12-18
19771977-02-171977-11-17
19791979-01-131979-11-07
19801980-01-011980-12-03
19811981-02-141981-12-18
19821982-02-271982-11-18
19831983-02-131983-11-29
19841984-02-091984-12-18
19851985-01-061985-11-26
19861986-01-081986-12-24
19871987-01-121987-12-30
19881988-05-061988-12-07
19891989-02-271989-12-16
19901990-02-161990-12-12

Every Fixed Threshold

Fixed thresholds at Oster
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days219200112
90 F (32.2 C): Days111200111
0 C (32 F): Ice days (max253200149
0 C (32 F): Frost days (min21152003115
-10 C (14 F): Days with min227200126
-20 C (-4 F): Days with min1120011
20 C (68 F): Tropical nights (min1420014
10 mm (0.39 in): Days with 10 mm or more rain2826198020
25 mm (0.98 in): Days with 25 mm or more rain23519675
50 mm (1.97 in): Days with 50 mm or more rain7119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Oster 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).