Built 2026-10-19 (19 October 2026)

Tompo Threshold Days by Year (RSM00024671)

13 fixed thresholds counted per year at Tompo (RSM00024671): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tompo Thresholds

  • Tompo: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1987 with 272.
  • Tompo: nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1987 with 217.
  • Tompo: nights with a minimum temperature at or below -20 C (-4 F) in 54 years, most in 1998 with 192.
  • Tompo: nights with a minimum temperature at or below -30 C (-22 F) in 54 years, most in 1972 with 156.
  • 13 fixed thresholds have at least one qualifying day at Tompo.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Tompo Days per year at Tompo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1998. 01020301966: 51967: 31968: 61971: 61972: 41973: 71975: 11976: 21977: 111979: 11980: 91981: 21982: 71983: 101984: 31986: 71987: 31988: 81989: 31990: 41991: 131993: 81998: 241999: 82000: 62001: 122002: 52003: 32004: 22005: 52006: 62007: 72008: 152009: 112010: 132011: 162012: 32013: 22014: 42015: 72016: 12017: 82018: 92025: 4196619731980198619912001200620112016
Days per year at Tompo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1998.
Days at or above 30 C (86 F) per year at Tompo
YearDaysDecade average
196654.7
196734.7
196864.7
197164.6
197244.6
197374.6
197514.6
197624.6
1977114.6
197914.6
198095.8
198125.8
198275.8
1983105.8
198435.8
198675.8
198735.8
198885.8
198935.8
1990411.4
19911311.4
1993811.4
19982411.4
1999811.4
200067.2
2001127.2
200257.2
200337.2
200427.2
200557.2
200667.2
200777.2
2008157.2
2009117.2
2010137
2011167
201237
201327
201447
201577
201617
201787
201897
202544
First to last qualifying date each year at Tompo For each year, a bar from the first to the last day at Tompo meeting 30 C (86 F). 1966: 28 June 1966 to 2 July 19661967: 18 July 1967 to 20 July 19671968: 29 June 1968 to 12 July 19681971: 6 June 1971 to 23 July 19711972: 6 July 1972 to 10 July 19721973: 17 July 1973 to 6 August 19731975: 1 July 1975 to 1 July 19751976: 1 July 1976 to 2 July 19761977: 8 June 1977 to 14 July 19771979: 4 July 1979 to 4 July 19791980: 11 July 1980 to 1 August 19801981: 2 July 1981 to 8 July 19811982: 24 June 1982 to 26 July 19821983: 8 June 1983 to 7 August 19831984: 12 July 1984 to 14 July 19841986: 3 June 1986 to 14 July 19861987: 28 June 1987 to 28 July 19871988: 2 July 1988 to 28 July 19881989: 8 July 1989 to 10 July 19891990: 15 June 1990 to 3 July 19901991: 18 June 1991 to 17 July 19911993: 20 June 1993 to 15 July 19931998: 13 June 1998 to 31 July 19981999: 18 June 1999 to 20 July 19992000: 15 July 2000 to 22 July 20002001: 2 July 2001 to 31 July 20012002: 30 June 2002 to 10 July 20022003: 19 July 2003 to 2 August 20032004: 8 July 2004 to 9 July 20042005: 6 July 2005 to 10 July 20052006: 18 June 2006 to 31 July 20062007: 22 June 2007 to 26 July 20072008: 14 June 2008 to 21 July 20082009: 7 June 2009 to 2 July 20092010: 3 July 2010 to 29 July 20102011: 11 July 2011 to 5 August 20112012: 13 June 2012 to 17 June 20122013: 18 June 2013 to 19 June 20132014: 11 July 2014 to 18 July 20142015: 8 July 2015 to 19 July 20152016: 2 July 2016 to 2 July 20162017: 28 June 2017 to 8 August 20172018: 3 July 2018 to 12 July 20182025: 11 June 2025 to 25 July 202519661975198219892000200620122018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tompo meeting 30 C (86 F).
First to last qualifying date each year at Tompo
YearFirst dateLast date
19661966-06-281966-07-02
19671967-07-181967-07-20
19681968-06-291968-07-12
19711971-06-061971-07-23
19721972-07-061972-07-10
19731973-07-171973-08-06
19751975-07-011975-07-01
19761976-07-011976-07-02
19771977-06-081977-07-14
19791979-07-041979-07-04
19801980-07-111980-08-01
19811981-07-021981-07-08
19821982-06-241982-07-26
19831983-06-081983-08-07
19841984-07-121984-07-14
19861986-06-031986-07-14
19871987-06-281987-07-28
19881988-07-021988-07-28
19891989-07-081989-07-10
19901990-06-151990-07-03
19911991-06-181991-07-17
19931993-06-201993-07-15
19981998-06-131998-07-31
19991999-06-181999-07-20
20002000-07-152000-07-22
20012001-07-022001-07-31
20022002-06-302002-07-10
20032003-07-192003-08-02
20042004-07-082004-07-09
20052005-07-062005-07-10
20062006-06-182006-07-31
20072007-06-222007-07-26
20082008-06-142008-07-21
20092009-06-072009-07-02
20102010-07-032010-07-29
20112011-07-112011-08-05
20122012-06-132012-06-17
20132013-06-182013-06-19
20142014-07-112014-07-18
20152015-07-082015-07-19
20162016-07-022016-07-02
20172017-06-282017-08-08
20182018-07-032018-07-12
20252025-06-112025-07-25

Every Fixed Threshold

Fixed thresholds at Tompo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days442419984
35 C (95 F): Days4320012
90 F (32.2 C): Days24820114
0 C (32 F): Ice days (max50217199872
0 C (32 F): Frost days (min542721987117
-10 C (14 F): Days with min54217198783
-20 C (-4 F): Days with min54192199874
-30 C (-22 F): Days with min54156197267
-40 C (-40 F): Days with min54114196738
20 C (68 F): Tropical nights (min2119871
10 mm (0.39 in): Days with 10 mm or more rain531420184
25 mm (0.98 in): Days with 25 mm or more rain27420041
50 mm (1.97 in): Days with 50 mm or more rain3119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Tompo 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).