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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Sparks Threshold Days by Year

16 fixed thresholds counted per year at Sparks (USC00267697): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sparks Thresholds

  • Sparks: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 2018 with 11.
  • Sparks: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 2013 with 169.
  • Sparks: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 2013 with 27.
  • Sparks: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 2012 with 107.
  • 16 fixed thresholds have at least one qualifying day at Sparks.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Sparks Days per year at Sparks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 2012. 0501001502009: 842011: 722012: 1072013: 902014: 982015: 932016: 912017: 982018: 872019: 762020: 1002021: 101200920122014201620182020
Days per year at Sparks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 2012.
Days at or above 30 C (86 F) per year at Sparks
YearDaysDecade average
20098484
20117290.2
201210790.2
20139090.2
20149890.2
20159390.2
20169190.2
20179890.2
20188790.2
20197690.2
2020100100.5
2021101100.5
First to last qualifying date each year at Sparks For each year, a bar from the first to the last day at Sparks meeting 30 C (86 F). 2009: 21 April 2009 to 27 September 20092011: 14 June 2011 to 30 September 20112012: 21 April 2012 to 3 October 20122013: 10 May 2013 to 16 September 20132014: 1 May 2014 to 8 October 20142015: 29 May 2015 to 14 October 20152016: 31 May 2016 to 28 September 20162017: 4 May 2017 to 13 September 20172018: 8 May 2018 to 29 September 20182019: 4 June 2019 to 27 September 20192020: 29 April 2020 to 14 October 20202021: 30 April 2021 to 27 September 2021200920122014201620182020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sparks meeting 30 C (86 F).
First to last qualifying date each year at Sparks
YearFirst dateLast date
20092009-04-212009-09-27
20112011-06-142011-09-30
20122012-04-212012-10-03
20132013-05-102013-09-16
20142014-05-012014-10-08
20152015-05-292015-10-14
20162016-05-312016-09-28
20172017-05-042017-09-13
20182018-05-082018-09-29
20192019-06-042019-09-27
20202020-04-292020-10-14
20212021-04-302021-09-27

Every Fixed Threshold

Fixed thresholds at Sparks
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days121072012101
35 C (95 F): Days1253202153
40 C (104 F): Days2220132
90 F (32.2 C): Days1279201275
100 F (37.8 C): Days1018202118
0 C (32 F): Ice days (max111520131
0 C (32 F): Frost days (min261692013119
-10 C (14 F): Days with min252720133
-20 C (-4 F): Days with min3220092
20 C (68 F): Tropical nights (min12520185
25 C (77 F): Days with min1120181
10 mm (0.39 in): Days with 10 mm or more rain271120181
25 mm (0.98 in): Days with 25 mm or more rain11320152
50 mm (1.97 in): Days with 50 mm or more rain1120211
10 cm (3.9 in): Days with 10 cm or more snowfall10220131
25 cm (9.8 in): Days with 25 cm or more snowfall2120161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2009.

Download the Data

  • Data for Sparks 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 (2025-12-31).