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Built 2026-10-19 (19 October 2026)

Karval Threshold Days by Year (USC00054444)

17 fixed thresholds counted per year at Karval (USC00054444): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karval Thresholds

  • Karval: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1942 with 20.
  • Karval: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1999 with 7.
  • Karval: days with 10 cm (3.9 in) or more of snowfall in 50 years, most in 1944 with 7.
  • Karval: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 2020 with 100.
  • 17 fixed thresholds have at least one qualifying day at Karval.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Karval Days per year at Karval with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2020. 02550751001981: 541982: 421983: 781986: 531987: 571988: 661989: 601990: 681991: 401992: 371993: 491994: 661995: 601996: 561997: 501999: 452000: 872002: 722003: 592004: 412006: 672007: 532009: 512010: 802011: 812012: 842015: 722016: 762017: 472018: 692019: 832020: 1002021: 802022: 922023: 622024: 972025: 732026: 991981198719911995200020062011201720212025
Days per year at Karval with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2020.
Days at or above 30 C (86 F) per year at Karval
YearDaysDecade average
19815458.6
19824258.6
19837858.6
19865358.6
19875758.6
19886658.6
19896058.6
19906852.3
19914052.3
19923752.3
19934952.3
19946652.3
19956052.3
19965652.3
19975052.3
19994552.3
20008761.4
20027261.4
20035961.4
20044161.4
20066761.4
20075361.4
20095161.4
20108074
20118174
20128474
20157274
20167674
20174774
20186974
20198374
202010086.1
20218086.1
20229286.1
20236286.1
20249786.1
20257386.1
20269986.1
First to last qualifying date each year at Karval For each year, a bar from the first to the last day at Karval meeting 30 C (86 F). 1981: 26 April 1981 to 29 September 19811982: 30 June 1982 to 11 September 19821983: 25 May 1983 to 28 September 19831986: 5 May 1986 to 22 September 19861987: 19 April 1987 to 5 October 19871988: 17 May 1988 to 19 September 19881989: 21 April 1989 to 15 October 19891990: 24 May 1990 to 26 September 19901991: 12 May 1991 to 18 October 19911992: 1 May 1992 to 14 October 19921993: 7 June 1993 to 7 October 19931994: 31 May 1994 to 1 October 19941995: 13 June 1995 to 19 September 19951996: 25 April 1996 to 13 October 19961997: 17 May 1997 to 3 October 19971999: 23 May 1999 to 13 October 19992000: 6 May 2000 to 4 October 20002002: 16 April 2002 to 6 September 20022003: 29 May 2003 to 22 October 20032004: 6 May 2004 to 21 September 20042006: 24 April 2006 to 2 October 20062007: 7 June 2007 to 6 October 20072009: 19 May 2009 to 21 September 20092010: 22 May 2010 to 1 October 20102011: 9 May 2011 to 3 October 20112012: 25 April 2012 to 4 October 20122015: 17 March 2015 to 12 October 20152016: 22 May 2016 to 23 October 20162017: 10 June 2017 to 22 September 20172018: 11 May 2018 to 4 October 20182019: 21 April 2019 to 9 October 20192020: 1 May 2020 to 15 October 20202021: 2 May 2021 to 28 September 20212022: 23 April 2022 to 1 October 20222023: 13 April 2023 to 21 October 20232024: 30 May 2024 to 13 October 20242025: 13 April 2025 to 10 October 20252026: 20 March 2026 to 7 October 202619811988199319992006201220192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Karval meeting 30 C (86 F).
First to last qualifying date each year at Karval
YearFirst dateLast date
19811981-04-261981-09-29
19821982-06-301982-09-11
19831983-05-251983-09-28
19861986-05-051986-09-22
19871987-04-191987-10-05
19881988-05-171988-09-19
19891989-04-211989-10-15
19901990-05-241990-09-26
19911991-05-121991-10-18
19921992-05-011992-10-14
19931993-06-071993-10-07
19941994-05-311994-10-01
19951995-06-131995-09-19
19961996-04-251996-10-13
19971997-05-171997-10-03
19991999-05-231999-10-13
20002000-05-062000-10-04
20022002-04-162002-09-06
20032003-05-292003-10-22
20042004-05-062004-09-21
20062006-04-242006-10-02
20072007-06-072007-10-06
20092009-05-192009-09-21
20102010-05-222010-10-01
20112011-05-092011-10-03
20122012-04-252012-10-04
20152015-03-172015-10-12
20162016-05-222016-10-23
20172017-06-102017-09-22
20182018-05-112018-10-04
20192019-04-212019-10-09
20202020-05-012020-10-15
20212021-05-022021-09-28
20222022-04-232022-10-01
20232023-04-132023-10-21
20242024-05-302024-10-13
20252025-04-132025-10-10
20262026-03-202026-10-07

Every Fixed Threshold

Fixed thresholds at Karval
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days38100202099
35 C (95 F): Days3735202026
40 C (104 F): Days2120122
90 F (32.2 C): Days3868202074
100 F (37.8 C): Days22820248
0 C (32 F): Ice days (max384120074
0 C (32 F): Frost days (min33180201984
-10 C (14 F): Days with min3359202217
-20 C (-4 F): Days with min291419891
-30 C (-22 F): Days with min3219901
20 C (68 F): Tropical nights (min7219861
10 mm (0.39 in): Days with 10 mm or more rain822019427
25 mm (0.98 in): Days with 25 mm or more rain74719993
50 mm (1.97 in): Days with 50 mm or more rain20319421
100 mm (3.94 in): Days with 100 mm or more rain4119421
10 cm (3.9 in): Days with 10 cm or more snowfall50719441
25 cm (9.8 in): Days with 25 cm or more snowfall7319461

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Karval 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).