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Built 2026-10-18 (18 October 2026)

Sunnyside Threshold Days by Year

5 fixed thresholds counted per year at Sunnyside (ASN00037112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sunnyside Thresholds

  • Sunnyside: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1999 with 19.
  • Sunnyside: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1999 with 11.
  • Sunnyside: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1999 with 5.
  • Sunnyside: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1930 with 2.
  • 5 fixed thresholds have at least one qualifying day at Sunnyside.
62 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sunnyside Days per year at Sunnyside with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1999. 051015201930: 171931: 91932: 101933: 141934: 51935: 31936: 61937: 31938: 61939: 61941: 91942: 31943: 61944: 71945: 41946: 21948: 21980: 51981: 151982: 41983: 71984: 121985: 71986: 111987: 131988: 81989: 171990: 141991: 101992: 81993: 111994: 31995: 51996: 111997: 151998: 151999: 192000: 162001: 82002: 22003: 62004: 112005: 82006: 62007: 52008: 52009: 62010: 192012: 72013: 32015: 22016: 182017: 92018: 52019: 72020: 112021: 92022: 162023: 112024: 92025: 132026: 13193019371945198419911998200520132021
Days per year at Sunnyside with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1999.
Days with 10 mm (0.39 in) or more of precipitation per year at Sunnyside
YearDaysDecade average
1930177.9
193197.9
1932107.9
1933147.9
193457.9
193537.9
193667.9
193737.9
193867.9
193967.9
194194.7
194234.7
194364.7
194474.7
194544.7
194624.7
194824.7
198059.9
1981159.9
198249.9
198379.9
1984129.9
198579.9
1986119.9
1987139.9
198889.9
1989179.9
19901411.1
19911011.1
1992811.1
19931111.1
1994311.1
1995511.1
19961111.1
19971511.1
19981511.1
19991911.1
2000167.3
200187.3
200227.3
200367.3
2004117.3
200587.3
200667.3
200757.3
200857.3
200967.3
2010198.8
201278.8
201338.8
201528.8
2016188.8
201798.8
201858.8
201978.8
20201111.7
2021911.7
20221611.7
20231111.7
2024911.7
20251311.7
20261311.7
First to last qualifying date each year at Sunnyside For each year, a bar from the first to the last day at Sunnyside meeting 10 mm (0.39 in). 1930: 24 January 1930 to 7 December 19301931: 10 January 1931 to 8 December 19311932: 19 March 1932 to 23 December 19321933: 14 February 1933 to 6 December 19331934: 28 January 1934 to 23 June 19341935: 11 September 1935 to 28 December 19351936: 7 January 1936 to 16 December 19361937: 1 January 1937 to 9 February 19371938: 23 January 1938 to 23 November 19381939: 4 January 1939 to 3 November 19391941: 3 January 1941 to 1 December 19411942: 13 October 1942 to 23 December 19421943: 1 February 1943 to 18 December 19431944: 15 January 1944 to 18 December 19441945: 3 January 1945 to 19 October 19451946: 19 February 1946 to 24 February 19461948: 14 June 1948 to 6 December 19481980: 5 January 1980 to 28 May 19801981: 14 January 1981 to 22 December 19811982: 1 March 1982 to 3 November 19821983: 24 April 1983 to 20 November 19831984: 13 January 1984 to 19 December 19841985: 2 June 1985 to 9 December 19851986: 10 January 1986 to 7 December 19861987: 28 January 1987 to 28 December 19871988: 7 February 1988 to 27 December 19881989: 3 February 1989 to 28 November 19891990: 21 February 1990 to 8 December 19901991: 15 January 1991 to 11 December 19911992: 30 January 1992 to 20 December 19921993: 16 February 1993 to 10 December 19931994: 1 February 1994 to 1 March 19941995: 19 January 1995 to 22 February 19951996: 1 January 1996 to 19 December 19961997: 14 January 1997 to 27 December 19971998: 13 January 1998 to 31 December 19981999: 1 January 1999 to 27 December 19992000: 15 February 2000 to 16 December 20002001: 4 February 2001 to 16 December 20012002: 6 January 2002 to 8 January 20022003: 9 February 2003 to 24 August 20032004: 13 January 2004 to 24 December 20042005: 7 January 2005 to 1 August 20052006: 7 March 2006 to 15 July 20062007: 21 January 2007 to 27 December 20072008: 5 February 2008 to 30 December 20082009: 5 January 2009 to 31 December 20092010: 5 January 2010 to 19 December 20102012: 23 January 2012 to 10 July 20122013: 18 February 2013 to 3 December 20132015: 2 November 2015 to 27 December 20152016: 2 January 2016 to 16 December 20162017: 3 January 2017 to 29 November 20172018: 4 March 2018 to 13 December 20182019: 31 January 2019 to 24 November 20192020: 24 January 2020 to 24 October 20202021: 11 January 2021 to 1 December 20212022: 26 January 2022 to 25 December 20222023: 5 January 2023 to 22 December 20232024: 8 January 2024 to 28 November 20242025: 4 February 2025 to 25 December 20252026: 4 January 2026 to 30 June 202619301938194819871995200320122021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sunnyside meeting 10 mm (0.39 in).
First to last qualifying date each year at Sunnyside
YearFirst dateLast date
19301930-01-241930-12-07
19311931-01-101931-12-08
19321932-03-191932-12-23
19331933-02-141933-12-06
19341934-01-281934-06-23
19351935-09-111935-12-28
19361936-01-071936-12-16
19371937-01-011937-02-09
19381938-01-231938-11-23
19391939-01-041939-11-03
19411941-01-031941-12-01
19421942-10-131942-12-23
19431943-02-011943-12-18
19441944-01-151944-12-18
19451945-01-031945-10-19
19461946-02-191946-02-24
19481948-06-141948-12-06
19801980-01-051980-05-28
19811981-01-141981-12-22
19821982-03-011982-11-03
19831983-04-241983-11-20
19841984-01-131984-12-19
19851985-06-021985-12-09
19861986-01-101986-12-07
19871987-01-281987-12-28
19881988-02-071988-12-27
19891989-02-031989-11-28
19901990-02-211990-12-08
19911991-01-151991-12-11
19921992-01-301992-12-20
19931993-02-161993-12-10
19941994-02-011994-03-01
19951995-01-191995-02-22
19961996-01-011996-12-19
19971997-01-141997-12-27
19981998-01-131998-12-31
19991999-01-011999-12-27
20002000-02-152000-12-16
20012001-02-042001-12-16
20022002-01-062002-01-08
20032003-02-092003-08-24
20042004-01-132004-12-24
20052005-01-072005-08-01
20062006-03-072006-07-15
20072007-01-212007-12-27
20082008-02-052008-12-30
20092009-01-052009-12-31
20102010-01-052010-12-19
20122012-01-232012-07-10
20132013-02-182013-12-03
20152015-11-022015-12-27
20162016-01-022016-12-16
20172017-01-032017-11-29
20182018-03-042018-12-13
20192019-01-312019-11-24
20202020-01-242020-10-24
20212021-01-112021-12-01
20222022-01-262022-12-25
20232023-01-052023-12-22
20242024-01-082024-11-28
20252025-02-042025-12-25
20262026-01-042026-06-30

Every Fixed Threshold

Fixed thresholds at Sunnyside
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6219199913
25 mm (0.98 in): Days with 25 mm or more rain571119992
50 mm (1.97 in): Days with 50 mm or more rain32519991
100 mm (3.94 in): Days with 100 mm or more rain11219301
200 mm (7.87 in): Days with 200 mm or more rain2119301

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

  • Data for Sunnyside 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).