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Data as of 2026-10-18
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Built 2026-10-19 (19 October 2026)

Reboly Threshold Days by Year (RSM00022602)

14 fixed thresholds counted per year at Reboly (RSM00022602): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Reboly Thresholds

  • Reboly: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 2025 with 35.
  • Reboly: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1952 with 225.
  • Reboly: nights with a minimum temperature at or below -10 C (14 F) in 76 years, most in 1956 with 128.
  • Reboly: nights with a minimum temperature at or below -20 C (-4 F) in 76 years, most in 1985 with 69.
  • 14 fixed thresholds have at least one qualifying day at Reboly.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Reboly Days per year at Reboly with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2010. 024681939: 11952: 11970: 11972: 71973: 11988: 11994: 11995: 11999: 22002: 12003: 22010: 82011: 12012: 12013: 12014: 12018: 22025: 1193919701973199419992003201120132018
Days per year at Reboly with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2010.
Days at or above 30 C (86 F) per year at Reboly
YearDaysDecade average
193911
195211
197013
197273
197313
198811
199411.3
199511.3
199921.3
200211.5
200321.5
201082.3
201112.3
201212.3
201312.3
201412.3
201822.3
202511
First to last qualifying date each year at Reboly For each year, a bar from the first to the last day at Reboly meeting 30 C (86 F). 1939: 20 June 1939 to 20 June 19391952: 10 July 1952 to 10 July 19521970: 19 July 1970 to 19 July 19701972: 1 July 1972 to 13 July 19721973: 5 July 1973 to 5 July 19731988: 27 June 1988 to 27 June 19881994: 15 May 1994 to 15 May 19941995: 30 May 1995 to 30 May 19951999: 25 June 1999 to 16 July 19992002: 5 July 2002 to 5 July 20022003: 29 July 2003 to 31 July 20032010: 12 July 2010 to 8 August 20102011: 2 July 2011 to 2 July 20112012: 30 July 2012 to 30 July 20122013: 26 June 2013 to 26 June 20132014: 27 July 2014 to 27 July 20142018: 1 August 2018 to 2 August 20182025: 31 July 2025 to 31 July 2025193919721994200220112014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Reboly meeting 30 C (86 F).
First to last qualifying date each year at Reboly
YearFirst dateLast date
19391939-06-201939-06-20
19521952-07-101952-07-10
19701970-07-191970-07-19
19721972-07-011972-07-13
19731973-07-051973-07-05
19881988-06-271988-06-27
19941994-05-151994-05-15
19951995-05-301995-05-30
19991999-06-251999-07-16
20022002-07-052002-07-05
20032003-07-292003-07-31
20102010-07-122010-08-08
20112011-07-022011-07-02
20122012-07-302012-07-30
20132013-06-262013-06-26
20142014-07-272014-07-27
20182018-08-012018-08-02
20252025-07-312025-07-31

Every Fixed Threshold

Fixed thresholds at Reboly
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days18820101
35 C (95 F): Days1120101
90 F (32.2 C): Days4420104
0 C (32 F): Ice days (max75154195255
0 C (32 F): Frost days (min76225195295
-10 C (14 F): Days with min76128195645
-20 C (-4 F): Days with min7669198522
-30 C (-22 F): Days with min682519783
-40 C (-40 F): Days with min11319561
20 C (68 F): Tropical nights (min9419721
10 mm (0.39 in): Days with 10 mm or more rain813520253
25 mm (0.98 in): Days with 25 mm or more rain4610202510
50 mm (1.97 in): Days with 50 mm or more rain5320253
100 mm (3.94 in): Days with 100 mm or more rain1120251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Reboly 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 (2026-10-18).