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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Sunset Threshold Days by Year (USS0015B09S)

12 fixed thresholds counted per year at Sunset (USS0015B09S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sunset Thresholds

  • Sunset: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1990 with 80.
  • Sunset: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1990 with 14.
  • Sunset: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 2011 with 128.
  • Sunset: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1996 with 214.
  • 12 fixed thresholds have at least one qualifying day at Sunset.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Sunset Days per year at Sunset with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 2021. 02461994: 12002: 32003: 22006: 12007: 42008: 22012: 12013: 12015: 32017: 12018: 22020: 22021: 52022: 12024: 22025: 119942003200720122015201820212024
Days per year at Sunset with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 2021.
Days at or above 30 C (86 F) per year at Sunset
YearDaysDecade average
199411
200232.4
200322.4
200612.4
200742.4
200822.4
201211.6
201311.6
201531.6
201711.6
201821.6
202022.2
202152.2
202212.2
202422.2
202512.2
First to last qualifying date each year at Sunset For each year, a bar from the first to the last day at Sunset meeting 30 C (86 F). 1994: 14 August 1994 to 14 August 19942002: 11 July 2002 to 13 July 20022003: 30 July 2003 to 15 August 20032006: 22 July 2006 to 22 July 20062007: 5 July 2007 to 14 July 20072008: 17 August 2008 to 18 August 20082012: 8 July 2012 to 8 July 20122013: 1 July 2013 to 1 July 20132015: 27 June 2015 to 13 August 20152017: 29 August 2017 to 29 August 20172018: 9 August 2018 to 10 August 20182020: 31 July 2020 to 16 August 20202021: 28 June 2021 to 31 July 20212022: 31 August 2022 to 31 August 20222024: 21 July 2024 to 2 August 20242025: 2 September 2025 to 2 September 202519942003200720122015201820212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sunset meeting 30 C (86 F).
First to last qualifying date each year at Sunset
YearFirst dateLast date
19941994-08-141994-08-14
20022002-07-112002-07-13
20032003-07-302003-08-15
20062006-07-222006-07-22
20072007-07-052007-07-14
20082008-08-172008-08-18
20122012-07-082012-07-08
20132013-07-012013-07-01
20152015-06-272015-08-13
20172017-08-292017-08-29
20182018-08-092018-08-10
20202020-07-312020-08-16
20212021-06-282021-07-31
20222022-08-312022-08-31
20242024-07-212024-08-02
20252025-09-022025-09-02

Every Fixed Threshold

Fixed thresholds at Sunset
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days16520211
90 F (32.2 C): Days4220212
0 C (32 F): Ice days (max37128201147
0 C (32 F): Frost days (min372141996111
-10 C (14 F): Days with min374619969
-20 C (-4 F): Days with min24919904
-30 C (-22 F): Days with min2219902
20 C (68 F): Tropical nights (min9320253
10 mm (0.39 in): Days with 10 mm or more rain4480199029
25 mm (0.98 in): Days with 25 mm or more rain441419905
50 mm (1.97 in): Days with 50 mm or more rain19219851
100 mm (3.94 in): Days with 100 mm or more rain1120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Sunset 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).