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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Westfield Threshold Days by Year

16 fixed thresholds counted per year at Westfield (USC00199191): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westfield Thresholds

  • Westfield: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1983 with 56.
  • Westfield: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1983 with 29.
  • Westfield: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1991 with 8.
  • Westfield: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1967 with 8.
  • 16 fixed thresholds have at least one qualifying day at Westfield.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Westfield Days per year at Westfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1933. 01020301930: 261931: 271932: 121933: 291934: 2719301931193219331934
Days per year at Westfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1933.
Days at or above 30 C (86 F) per year at Westfield
YearDaysDecade average
19302624.2
19312724.2
19321224.2
19332924.2
19342724.2
First to last qualifying date each year at Westfield For each year, a bar from the first to the last day at Westfield meeting 30 C (86 F). 1930: 2 May 1930 to 7 August 19301931: 28 May 1931 to 23 September 19311932: 16 May 1932 to 26 August 19321933: 26 May 1933 to 2 August 19331934: 5 May 1934 to 11 August 193419301931193219331934JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Westfield meeting 30 C (86 F).
First to last qualifying date each year at Westfield
YearFirst dateLast date
19301930-05-021930-08-07
19311931-05-281931-09-23
19321932-05-161932-08-26
19331933-05-261933-08-02
19341934-05-051934-08-11

Every Fixed Threshold

Fixed thresholds at Westfield
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days529193327
35 C (95 F): Days1119331
90 F (32.2 C): Days51819335
0 C (32 F): Ice days (max544193444
0 C (32 F): Frost days (min51321933122
-10 C (14 F): Days with min544193444
-20 C (-4 F): Days with min4519345
20 C (68 F): Tropical nights (min517193112
10 mm (0.39 in): Days with 10 mm or more rain5456198340
25 mm (0.98 in): Days with 25 mm or more rain5429198313
50 mm (1.97 in): Days with 50 mm or more rain42819911
100 mm (3.94 in): Days with 100 mm or more rain7119321
200 mm (7.87 in): Days with 200 mm or more rain1119551
10 cm (3.9 in): Days with 10 cm or more snowfall31819674
25 cm (9.8 in): Days with 25 cm or more snowfall17319671
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 1930.

Download the Data

  • Data for Westfield 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).