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Built 2026-10-19 (19 October 2026)

Walsh 1 W Threshold Days by Year (USC00058793)

20 fixed thresholds counted per year at Walsh 1 W (USC00058793): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walsh 1 W Thresholds

  • Walsh 1 W: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 2013 with 167.
  • Walsh 1 W: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1978 with 57.
  • Walsh 1 W: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 2024 with 120.
  • Walsh 1 W: days with a maximum temperature at or above 35 C (95 F) in 55 years, most in 2011 with 66.
  • 20 fixed thresholds have at least one qualifying day at Walsh 1 W.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Walsh 1 W Days per year at Walsh 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 120 in 2024. 0501001501968: 971969: 831970: 1021971: 881972: 851975: 661977: 881978: 911980: 991981: 971982: 781983: 981984: 961985: 911986: 731987: 731988: 911989: 811990: 941991: 881992: 671993: 771994: 991995: 831996: 791997: 921998: 1051999: 872000: 882001: 1062002: 1022003: 902004: 832005: 962006: 982007: 972008: 952009: 802010: 1012011: 1142012: 1062013: 1012014: 1012015: 962016: 1042017: 852018: 1122019: 1082020: 1142021: 1082022: 1172023: 942024: 1202025: 1002026: 1301968197719841990199620022008201420202026
Days per year at Walsh 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 120 in 2024.
Days at or above 30 C (86 F) per year at Walsh 1 W
YearDaysDecade average
19689790
19698390
197010286.7
19718886.7
19728586.7
19756686.7
19778886.7
19789186.7
19809987.7
19819787.7
19827887.7
19839887.7
19849687.7
19859187.7
19867387.7
19877387.7
19889187.7
19898187.7
19909487.1
19918887.1
19926787.1
19937787.1
19949987.1
19958387.1
19967987.1
19979287.1
199810587.1
19998787.1
20008893.5
200110693.5
200210293.5
20039093.5
20048393.5
20059693.5
20069893.5
20079793.5
20089593.5
20098093.5
2010101102.8
2011114102.8
2012106102.8
2013101102.8
2014101102.8
201596102.8
2016104102.8
201785102.8
2018112102.8
2019108102.8
2020114111.9
2021108111.9
2022117111.9
202394111.9
2024120111.9
2025100111.9
2026130111.9
First to last qualifying date each year at Walsh 1 W For each year, a bar from the first to the last day at Walsh 1 W meeting 30 C (86 F). 1968: 1 May 1968 to 30 October 19681969: 2 May 1969 to 9 October 19691970: 6 May 1970 to 21 September 19701971: 16 May 1971 to 27 September 19711972: 6 April 1972 to 2 October 19721975: 20 May 1975 to 20 October 19751977: 9 April 1977 to 26 October 19771978: 14 May 1978 to 8 November 19781980: 20 April 1980 to 8 November 19801981: 10 April 1981 to 4 October 19811982: 13 April 1982 to 6 October 19821983: 6 May 1983 to 11 October 19831984: 22 May 1984 to 24 September 19841985: 16 April 1985 to 8 October 19851986: 24 April 1986 to 22 September 19861987: 18 April 1987 to 9 October 19871988: 9 April 1988 to 23 October 19881989: 10 March 1989 to 15 October 19891990: 14 May 1990 to 17 October 19901991: 10 May 1991 to 18 October 19911992: 11 April 1992 to 14 October 19921993: 15 May 1993 to 7 October 19931994: 18 April 1994 to 1 October 19941995: 22 March 1995 to 19 October 19951996: 25 April 1996 to 15 October 19961997: 17 May 1997 to 6 October 19971998: 26 March 1998 to 15 October 19981999: 9 May 1999 to 15 October 19992000: 15 April 2000 to 4 October 20002001: 20 April 2001 to 1 November 20012002: 15 April 2002 to 12 October 20022003: 14 April 2003 to 30 October 20032004: 27 March 2004 to 19 September 20042005: 11 May 2005 to 4 October 20052006: 6 April 2006 to 4 October 20062007: 15 May 2007 to 21 October 20072008: 16 April 2008 to 5 October 20082009: 25 April 2009 to 20 October 20092010: 31 March 2010 to 8 October 20102011: 3 April 2011 to 4 October 20112012: 2 April 2012 to 24 October 20122013: 29 April 2013 to 1 October 20132014: 13 April 2014 to 26 October 20142015: 3 May 2015 to 15 October 20152016: 6 April 2016 to 1 November 20162017: 20 March 2017 to 15 October 20172018: 24 March 2018 to 6 October 20182019: 10 April 2019 to 19 October 20192020: 1 May 2020 to 15 October 20202021: 30 March 2021 to 10 October 20212022: 29 March 2022 to 2 October 20222023: 12 April 2023 to 8 November 20232024: 14 April 2024 to 29 October 20242025: 28 March 2025 to 13 October 20252026: 20 March 2026 to 14 October 202619681978198619932000200720142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walsh 1 W meeting 30 C (86 F).
First to last qualifying date each year at Walsh 1 W
YearFirst dateLast date
19681968-05-011968-10-30
19691969-05-021969-10-09
19701970-05-061970-09-21
19711971-05-161971-09-27
19721972-04-061972-10-02
19751975-05-201975-10-20
19771977-04-091977-10-26
19781978-05-141978-11-08
19801980-04-201980-11-08
19811981-04-101981-10-04
19821982-04-131982-10-06
19831983-05-061983-10-11
19841984-05-221984-09-24
19851985-04-161985-10-08
19861986-04-241986-09-22
19871987-04-181987-10-09
19881988-04-091988-10-23
19891989-03-101989-10-15
19901990-05-141990-10-17
19911991-05-101991-10-18
19921992-04-111992-10-14
19931993-05-151993-10-07
19941994-04-181994-10-01
19951995-03-221995-10-19
19961996-04-251996-10-15
19971997-05-171997-10-06
19981998-03-261998-10-15
19991999-05-091999-10-15
20002000-04-152000-10-04
20012001-04-202001-11-01
20022002-04-152002-10-12
20032003-04-142003-10-30
20042004-03-272004-09-19
20052005-05-112005-10-04
20062006-04-062006-10-04
20072007-05-152007-10-21
20082008-04-162008-10-05
20092009-04-252009-10-20
20102010-03-312010-10-08
20112011-04-032011-10-04
20122012-04-022012-10-24
20132013-04-292013-10-01
20142014-04-132014-10-26
20152015-05-032015-10-15
20162016-04-062016-11-01
20172017-03-202017-10-15
20182018-03-242018-10-06
20192019-04-102019-10-19
20202020-05-012020-10-15
20212021-03-302021-10-10
20222022-03-292022-10-02
20232023-04-122023-11-08
20242024-04-142024-10-29
20252025-03-282025-10-13
20262026-03-202026-10-14

Every Fixed Threshold

Fixed thresholds at Walsh 1 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days551202024130
35 C (95 F): Days5566201166
40 C (104 F): Days301120119
90 F (32.2 C): Days55952011102
100 F (37.8 C): Days5336201124
110 F (43.3 C): Days10n/a1
0 C (32 F): Ice days (max554619785
0 C (32 F): Frost days (min56167201366
-10 C (14 F): Days with min5657197813
-20 C (-4 F): Days with min39920112
-30 C (-22 F): Days with min2119841
20 C (68 F): Tropical nights (min5529197016
25 C (77 F): Days with min3119711
10 mm (0.39 in): Days with 10 mm or more rain5524201712
25 mm (0.98 in): Days with 25 mm or more rain55919866
50 mm (1.97 in): Days with 50 mm or more rain31419982
100 mm (3.94 in): Days with 100 mm or more rain4119821
10 cm (3.9 in): Days with 10 cm or more snowfall33520061
25 cm (9.8 in): Days with 25 cm or more snowfall5119831
50 cm (19.7 in): Days with 50 cm or more snowfall1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Walsh 1 W 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).