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

Rolette 3SE Threshold Days by Year

17 fixed thresholds counted per year at Rolette 3SE (USC00327655): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rolette 3SE Thresholds

  • Rolette 3SE: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 2018 with 220.
  • Rolette 3SE: nights with a minimum temperature at or below -10 C (14 F) in 20 years, most in 2013 with 153.
  • Rolette 3SE: nights with a minimum temperature at or below -20 C (-4 F) in 20 years, most in 2013 with 73.
  • Rolette 3SE: nights with a minimum temperature at or below -30 C (-22 F) in 20 years, most in 2014 with 31.
  • 17 fixed thresholds have at least one qualifying day at Rolette 3SE.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Rolette 3SE Days per year at Rolette 3SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2006. 0102030402001: 282002: 212004: 62005: 162006: 372007: 262008: 102010: 92013: 102014: 52015: 162016: 102017: 152018: 212020: 162021: 342022: 162024: 112025: 92001200420062008201320152017202020222025
Days per year at Rolette 3SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2006.
Days at or above 30 C (86 F) per year at Rolette 3SE
YearDaysDecade average
20012820.6
20022120.6
2004620.6
20051620.6
20063720.6
20072620.6
20081020.6
2010912.3
20131012.3
2014512.3
20151612.3
20161012.3
20171512.3
20182112.3
20201617.2
20213417.2
20221617.2
20241117.2
2025917.2
First to last qualifying date each year at Rolette 3SE For each year, a bar from the first to the last day at Rolette 3SE meeting 30 C (86 F). 2001: 15 May 2001 to 6 September 20012002: 29 May 2002 to 1 September 20022004: 29 June 2004 to 19 September 20042005: 18 June 2005 to 7 August 20052006: 23 May 2006 to 13 September 20062007: 9 May 2007 to 23 September 20072008: 30 June 2008 to 31 August 20082010: 3 July 2010 to 28 August 20102013: 12 July 2013 to 7 September 20132014: 25 May 2014 to 27 September 20142015: 5 July 2015 to 14 September 20152016: 6 May 2016 to 29 August 20162017: 3 June 2017 to 13 September 20172018: 8 May 2018 to 23 August 20182020: 8 June 2020 to 23 September 20202021: 3 June 2021 to 6 October 20212022: 19 June 2022 to 2 September 20222024: 12 July 2024 to 30 September 20242025: 2 June 2025 to 8 August 20252001200520082014201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rolette 3SE meeting 30 C (86 F).
First to last qualifying date each year at Rolette 3SE
YearFirst dateLast date
20012001-05-152001-09-06
20022002-05-292002-09-01
20042004-06-292004-09-19
20052005-06-182005-08-07
20062006-05-232006-09-13
20072007-05-092007-09-23
20082008-06-302008-08-31
20102010-07-032010-08-28
20132013-07-122013-09-07
20142014-05-252014-09-27
20152015-07-052015-09-14
20162016-05-062016-08-29
20172017-06-032017-09-13
20182018-05-082018-08-23
20202020-06-082020-09-23
20212021-06-032021-10-06
20222022-06-192022-09-02
20242024-07-122024-09-30
20252025-06-022025-08-08

Every Fixed Threshold

Fixed thresholds at Rolette 3SE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days193720069
35 C (95 F): Days11620071
90 F (32.2 C): Days171820064
100 F (37.8 C): Days1220212
0 C (32 F): Ice days (max19146201365
0 C (32 F): Frost days (min20220201892
-10 C (14 F): Days with min20153201371
-20 C (-4 F): Days with min2073201337
-30 C (-22 F): Days with min2031201418
-40 C (-40 F): Days with min5220041
20 C (68 F): Tropical nights (min11420072
10 mm (0.39 in): Days with 10 mm or more rain202820105
25 mm (0.98 in): Days with 25 mm or more rain19720042
50 mm (1.97 in): Days with 50 mm or more rain10220181
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall11720107
25 cm (9.8 in): Days with 25 cm or more snowfall3120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Rolette 3SE 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 (2025-12-31).