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Built 2026-10-19 (19 October 2026)

Upper Wheeler Threshold Days by Year (USS0020B07S)

10 fixed thresholds counted per year at Upper Wheeler (USS0020B07S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upper Wheeler Thresholds

  • Upper Wheeler: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1995 with 44.
  • Upper Wheeler: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1982 with 9.
  • Upper Wheeler: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2000 with 92.
  • Upper Wheeler: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1999 with 204.
  • 10 fixed thresholds have at least one qualifying day at Upper Wheeler.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Upper Wheeler Days per year at Upper Wheeler with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1992. 0510151990: 61992: 151994: 51996: 141997: 41998: 151999: 32000: 32001: 72002: 72003: 122006: 22007: 12008: 22009: 22013: 12014: 12015: 42018: 12020: 12022: 62023: 32024: 32026: 119901996199920022007201320182023
Days per year at Upper Wheeler with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1992.
Days at or above 30 C (86 F) per year at Upper Wheeler
YearDaysDecade average
199068.9
1992158.9
199458.9
1996148.9
199748.9
1998158.9
199938.9
200034.5
200174.5
200274.5
2003124.5
200624.5
200714.5
200824.5
200924.5
201311.8
201411.8
201541.8
201811.8
202012.8
202262.8
202332.8
202432.8
202612.8
First to last qualifying date each year at Upper Wheeler For each year, a bar from the first to the last day at Upper Wheeler meeting 30 C (86 F). 1990: 11 July 1990 to 13 August 19901992: 22 June 1992 to 18 August 19921994: 20 July 1994 to 24 July 19941996: 13 July 1996 to 25 August 19961997: 4 August 1997 to 14 August 19971998: 17 July 1998 to 3 September 19981999: 27 July 1999 to 3 August 19992000: 30 July 2000 to 8 August 20002001: 4 July 2001 to 16 August 20012002: 26 June 2002 to 14 August 20022003: 11 July 2003 to 3 September 20032006: 23 July 2006 to 24 July 20062007: 5 July 2007 to 5 July 20072008: 16 August 2008 to 17 August 20082009: 1 August 2009 to 20 August 20092013: 2 July 2013 to 2 July 20132014: 16 July 2014 to 16 July 20142015: 27 June 2015 to 1 August 20152018: 9 August 2018 to 9 August 20182020: 31 July 2020 to 31 July 20202022: 27 July 2022 to 18 August 20222023: 15 August 2023 to 17 August 20232024: 8 July 2024 to 10 July 20242026: 22 July 2026 to 22 July 202619901996199920022007201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upper Wheeler meeting 30 C (86 F).
First to last qualifying date each year at Upper Wheeler
YearFirst dateLast date
19901990-07-111990-08-13
19921992-06-221992-08-18
19941994-07-201994-07-24
19961996-07-131996-08-25
19971997-08-041997-08-14
19981998-07-171998-09-03
19991999-07-271999-08-03
20002000-07-302000-08-08
20012001-07-042001-08-16
20022002-06-262002-08-14
20032003-07-112003-09-03
20062006-07-232006-07-24
20072007-07-052007-07-05
20082008-08-162008-08-17
20092009-08-012009-08-20
20132013-07-022013-07-02
20142014-07-162014-07-16
20152015-06-272015-08-01
20182018-08-092018-08-09
20202020-07-312020-07-31
20222022-07-272022-08-18
20232023-08-152023-08-17
20242024-07-082024-07-10
20262026-07-222026-07-22

Every Fixed Threshold

Fixed thresholds at Upper Wheeler
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days241519921
90 F (32.2 C): Days11620031
0 C (32 F): Ice days (max3592200013
0 C (32 F): Frost days (min35204199972
-10 C (14 F): Days with min344219938
-20 C (-4 F): Days with min7719903
10 mm (0.39 in): Days with 10 mm or more rain4444199513
25 mm (0.98 in): Days with 25 mm or more rain42919824
50 mm (1.97 in): Days with 50 mm or more rain14119841
100 mm (3.94 in): Days with 100 mm or more rain1120221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Upper Wheeler 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 (2026-10-17).