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Built 2026-10-19 (19 October 2026)

Grassy Butte 2ENE Threshold Days by Year

17 fixed thresholds counted per year at Grassy Butte 2ENE (USC00323705): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grassy Butte 2ENE Thresholds

  • Grassy Butte 2ENE: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1988 with 67.
  • Grassy Butte 2ENE: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1988 with 50.
  • Grassy Butte 2ENE: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1996 with 102.
  • Grassy Butte 2ENE: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 2002 with 212.
  • 17 fixed thresholds have at least one qualifying day at Grassy Butte 2ENE.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Grassy Butte 2ENE Days per year at Grassy Butte 2ENE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1988. 0204060801988: 671989: 461990: 481991: 431992: 231993: 51994: 291995: 301996: 341997: 341998: 341999: 302000: 362001: 362002: 292003: 482004: 282005: 252006: 432007: 462008: 392009: 202010: 212011: 112012: 492013: 202014: 132015: 352016: 292017: 432018: 352019: 192020: 332021: 622022: 442023: 352024: 472025: 342026: 511988199219962000200420082012201620202024
Days per year at Grassy Butte 2ENE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1988.
Days at or above 30 C (86 F) per year at Grassy Butte 2ENE
YearDaysDecade average
19886756.5
19894656.5
19904831
19914331
19922331
1993531
19942931
19953031
19963431
19973431
19983431
19993031
20003635
20013635
20022935
20034835
20042835
20052535
20064335
20074635
20083935
20092035
20102127.5
20111127.5
20124927.5
20132027.5
20141327.5
20153527.5
20162927.5
20174327.5
20183527.5
20191927.5
20203343.7
20216243.7
20224443.7
20233543.7
20244743.7
20253443.7
20265143.7
First to last qualifying date each year at Grassy Butte 2ENE For each year, a bar from the first to the last day at Grassy Butte 2ENE meeting 30 C (86 F). 1988: 17 May 1988 to 6 September 19881989: 22 April 1989 to 30 September 19891990: 21 April 1990 to 25 September 19901991: 11 June 1991 to 8 September 19911992: 7 May 1992 to 1 October 19921993: 13 May 1993 to 9 August 19931994: 27 May 1994 to 10 September 19941995: 14 June 1995 to 4 September 19951996: 8 June 1996 to 5 September 19961997: 31 May 1997 to 2 October 19971998: 26 May 1998 to 17 September 19981999: 21 June 1999 to 30 August 19992000: 30 June 2000 to 18 September 20002001: 28 April 2001 to 5 September 20012002: 27 June 2002 to 16 September 20022003: 20 June 2003 to 7 October 20032004: 6 June 2004 to 19 September 20042005: 21 June 2005 to 1 October 20052006: 18 May 2006 to 13 September 20062007: 22 June 2007 to 22 September 20072008: 18 May 2008 to 19 September 20082009: 25 June 2009 to 19 September 20092010: 30 June 2010 to 27 August 20102011: 29 June 2011 to 2 October 20112012: 24 April 2012 to 10 September 20122013: 13 May 2013 to 7 September 20132014: 23 May 2014 to 26 September 20142015: 1 June 2015 to 26 September 20152016: 5 May 2016 to 2 September 20162017: 7 May 2017 to 12 September 20172018: 16 May 2018 to 8 September 20182019: 3 June 2019 to 16 September 20192020: 30 April 2020 to 24 September 20202021: 18 May 2021 to 6 October 20212022: 18 June 2022 to 19 September 20222023: 24 May 2023 to 17 September 20232024: 10 July 2024 to 29 September 20242025: 4 May 2025 to 3 October 20252026: 22 April 2026 to 30 August 202619881993199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grassy Butte 2ENE meeting 30 C (86 F).
First to last qualifying date each year at Grassy Butte 2ENE
YearFirst dateLast date
19881988-05-171988-09-06
19891989-04-221989-09-30
19901990-04-211990-09-25
19911991-06-111991-09-08
19921992-05-071992-10-01
19931993-05-131993-08-09
19941994-05-271994-09-10
19951995-06-141995-09-04
19961996-06-081996-09-05
19971997-05-311997-10-02
19981998-05-261998-09-17
19991999-06-211999-08-30
20002000-06-302000-09-18
20012001-04-282001-09-05
20022002-06-272002-09-16
20032003-06-202003-10-07
20042004-06-062004-09-19
20052005-06-212005-10-01
20062006-05-182006-09-13
20072007-06-222007-09-22
20082008-05-182008-09-19
20092009-06-252009-09-19
20102010-06-302010-08-27
20112011-06-292011-10-02
20122012-04-242012-09-10
20132013-05-132013-09-07
20142014-05-232014-09-26
20152015-06-012015-09-26
20162016-05-052016-09-02
20172017-05-072017-09-12
20182018-05-162018-09-08
20192019-06-032019-09-16
20202020-04-302020-09-24
20212021-05-182021-10-06
20222022-06-182022-09-19
20232023-05-242023-09-17
20242024-07-102024-09-29
20252025-05-042025-10-03
20262026-04-222026-08-30

Every Fixed Threshold

Fixed thresholds at Grassy Butte 2ENE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3967198851
35 C (95 F): Days3435198814
40 C (104 F): Days9319883
90 F (32.2 C): Days3950198830
100 F (37.8 C): Days241819888
110 F (43.3 C): Days1120241
0 C (32 F): Ice days (max39102199632
0 C (32 F): Frost days (min392122002109
-10 C (14 F): Days with min39103199632
-20 C (-4 F): Days with min3951199612
-30 C (-22 F): Days with min311119893
20 C (68 F): Tropical nights (min21619885
10 mm (0.39 in): Days with 10 mm or more rain382020056
25 mm (0.98 in): Days with 25 mm or more rain34920135
50 mm (1.97 in): Days with 50 mm or more rain9119911
10 cm (3.9 in): Days with 10 cm or more snowfall24519981
25 cm (9.8 in): Days with 25 cm or more snowfall3119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Grassy Butte 2ENE 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).