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Built 2026-10-19 (19 October 2026)

Reno WFO Threshold Days by Year (USC00266791)

15 fixed thresholds counted per year at Reno WFO (USC00266791): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Reno WFO Thresholds

  • Reno WFO: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2012 with 105.
  • Reno WFO: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 2021 with 48.
  • Reno WFO: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 2021 with 74.
  • Reno WFO: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2023 with 130.
  • 15 fixed thresholds have at least one qualifying day at Reno WFO.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Reno WFO Days per year at Reno WFO with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 2012. 0501001501997: 751998: 731999: 792000: 832001: 1012002: 872003: 1012004: 912005: 732006: 832007: 812008: 912009: 822010: 672011: 832012: 1052013: 852014: 882015: 812016: 902017: 972018: 882019: 752020: 1012021: 972022: 852023: 682024: 992025: 872026: 791997200020032006200920122015201820212024
Days per year at Reno WFO with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 2012.
Days at or above 30 C (86 F) per year at Reno WFO
YearDaysDecade average
19977575.7
19987375.7
19997975.7
20008387.3
200110187.3
20028787.3
200310187.3
20049187.3
20057387.3
20068387.3
20078187.3
20089187.3
20098287.3
20106785.9
20118385.9
201210585.9
20138585.9
20148885.9
20158185.9
20169085.9
20179785.9
20188885.9
20197585.9
202010188
20219788
20228588
20236888
20249988
20258788
20267988
First to last qualifying date each year at Reno WFO For each year, a bar from the first to the last day at Reno WFO meeting 30 C (86 F). 1997: 10 May 1997 to 30 September 19971998: 27 June 1998 to 16 September 19981999: 23 May 1999 to 30 September 19992000: 21 May 2000 to 20 September 20002001: 8 May 2001 to 4 October 20012002: 29 May 2002 to 24 September 20022003: 21 May 2003 to 8 October 20032004: 2 May 2004 to 27 September 20042005: 21 May 2005 to 30 September 20052006: 16 May 2006 to 13 September 20062007: 26 May 2007 to 12 September 20072008: 16 May 2008 to 26 September 20082009: 16 May 2009 to 27 September 20092010: 14 June 2010 to 2 October 20102011: 14 June 2011 to 30 September 20112012: 21 April 2012 to 3 October 20122013: 11 May 2013 to 16 September 20132014: 15 May 2014 to 7 October 20142015: 29 May 2015 to 13 October 20152016: 31 May 2016 to 28 September 20162017: 23 May 2017 to 13 September 20172018: 8 May 2018 to 28 September 20182019: 4 June 2019 to 26 September 20192020: 9 May 2020 to 4 October 20202021: 13 May 2021 to 26 September 20212022: 25 May 2022 to 27 September 20222023: 19 May 2023 to 18 September 20232024: 4 June 2024 to 9 October 20242025: 9 May 2025 to 27 September 20252026: 10 May 2026 to 8 October 202619972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Reno WFO meeting 30 C (86 F).
First to last qualifying date each year at Reno WFO
YearFirst dateLast date
19971997-05-101997-09-30
19981998-06-271998-09-16
19991999-05-231999-09-30
20002000-05-212000-09-20
20012001-05-082001-10-04
20022002-05-292002-09-24
20032003-05-212003-10-08
20042004-05-022004-09-27
20052005-05-212005-09-30
20062006-05-162006-09-13
20072007-05-262007-09-12
20082008-05-162008-09-26
20092009-05-162009-09-27
20102010-06-142010-10-02
20112011-06-142011-09-30
20122012-04-212012-10-03
20132013-05-112013-09-16
20142014-05-152014-10-07
20152015-05-292015-10-13
20162016-05-312016-09-28
20172017-05-232017-09-13
20182018-05-082018-09-28
20192019-06-042019-09-26
20202020-05-092020-10-04
20212021-05-132021-09-26
20222022-05-252022-09-27
20232023-05-192023-09-18
20242024-06-042024-10-09
20252025-05-092025-09-27
20262026-05-102026-10-08

Every Fixed Threshold

Fixed thresholds at Reno WFO
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days30105201279
35 C (95 F): Days3048202118
40 C (104 F): Days10420031
90 F (32.2 C): Days3074202151
100 F (37.8 C): Days271520211
0 C (32 F): Ice days (max282020132
0 C (32 F): Frost days (min30130202329
-10 C (14 F): Days with min232120131
20 C (68 F): Tropical nights (min3021202114
25 C (77 F): Days with min10n/a1
10 mm (0.39 in): Days with 10 mm or more rain291119982
25 mm (0.98 in): Days with 25 mm or more rain12520172
10 cm (3.9 in): Days with 10 cm or more snowfall22519982
25 cm (9.8 in): Days with 25 cm or more snowfall6220242
50 cm (19.7 in): Days with 50 cm or more snowfall4120041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Reno WFO 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).