Built 2026-10-19 (19 October 2026)

Westfall Threshold Days by Year (USC00359176)

14 fixed thresholds counted per year at Westfall (USC00359176): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westfall Thresholds

  • Westfall: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1981 with 14.
  • Westfall: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1994 with 89.
  • Westfall: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1986 with 43.
  • Westfall: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1986 with 76.
  • 14 fixed thresholds have at least one qualifying day at Westfall.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Westfall Days per year at Westfall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 1994. 02550751001963: 601964: 471965: 441966: 741967: 831969: 611970: 741978: 421981: 761982: 601983: 511984: 801986: 881993: 351994: 891995: 531996: 581997: 531998: 661999: 732000: 802006: 852007: 792008: 722009: 76196319661970198219861995199820062009
Days per year at Westfall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 1994.
Days at or above 30 C (86 F) per year at Westfall
YearDaysDecade average
19636061.5
19644761.5
19654461.5
19667461.5
19678361.5
19696161.5
19707458
19784258
19817671
19826071
19835171
19848071
19868871
19933561
19948961
19955361
19965861
19975361
19986661
19997361
20008078.4
20068578.4
20077978.4
20087278.4
20097678.4
First to last qualifying date each year at Westfall For each year, a bar from the first to the last day at Westfall meeting 30 C (86 F). 1963: 19 May 1963 to 3 October 19631964: 22 June 1964 to 13 September 19641965: 6 June 1965 to 18 August 19651966: 3 May 1966 to 22 September 19661967: 22 May 1967 to 29 September 19671969: 9 May 1969 to 9 September 19691970: 4 May 1970 to 30 September 19701978: 5 June 1978 to 26 September 19781981: 29 May 1981 to 18 September 19811982: 25 May 1982 to 10 September 19821983: 23 May 1983 to 24 September 19831984: 29 May 1984 to 21 September 19841986: 24 May 1986 to 8 September 19861993: 11 May 1993 to 1 October 19931994: 18 April 1994 to 28 September 19941995: 1 July 1995 to 18 September 19951996: 3 June 1996 to 12 September 19961997: 11 May 1997 to 1 October 19971998: 29 June 1998 to 18 September 19981999: 24 May 1999 to 24 September 19992000: 21 May 2000 to 19 September 20002006: 14 May 2006 to 29 September 20062007: 16 May 2007 to 14 September 20072008: 16 May 2008 to 1 October 20082009: 21 April 2009 to 27 September 20091963196719811986199620002009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Westfall meeting 30 C (86 F).
First to last qualifying date each year at Westfall
YearFirst dateLast date
19631963-05-191963-10-03
19641964-06-221964-09-13
19651965-06-061965-08-18
19661966-05-031966-09-22
19671967-05-221967-09-29
19691969-05-091969-09-09
19701970-05-041970-09-30
19781978-06-051978-09-26
19811981-05-291981-09-18
19821982-05-251982-09-10
19831983-05-231983-09-24
19841984-05-291984-09-21
19861986-05-241986-09-08
19931993-05-111993-10-01
19941994-04-181994-09-28
19951995-07-011995-09-18
19961996-06-031996-09-12
19971997-05-111997-10-01
19981998-06-291998-09-18
19991999-05-241999-09-24
20002000-05-212000-09-19
20062006-05-142006-09-29
20072007-05-162007-09-14
20082008-05-162008-10-01
20092009-04-212009-09-27

Every Fixed Threshold

Fixed thresholds at Westfall
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2589199476
35 C (95 F): Days2543198619
40 C (104 F): Days7219862
90 F (32.2 C): Days2576198655
100 F (37.8 C): Days181519862
0 C (32 F): Ice days (max2547199322
0 C (32 F): Frost days (min241931964175
-10 C (14 F): Days with min2456199324
-20 C (-4 F): Days with min12819933
20 C (68 F): Tropical nights (min18720064
10 mm (0.39 in): Days with 10 mm or more rain291419812
25 mm (0.98 in): Days with 25 mm or more rain5219941
10 cm (3.9 in): Days with 10 cm or more snowfall21419642
25 cm (9.8 in): Days with 25 cm or more snowfall1119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Westfall 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).