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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Chesterfield Threshold Days by Year (CA002300700)

12 fixed thresholds counted per year at Chesterfield (CA002300700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chesterfield Thresholds

  • Chesterfield: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1972 with 255.
  • Chesterfield: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1972 with 293.
  • Chesterfield: nights with a minimum temperature at or below -10 C (14 F) in 46 years, most in 1936 with 227.
  • Chesterfield: nights with a minimum temperature at or below -20 C (-4 F) in 46 years, most in 1936 with 178.
  • 12 fixed thresholds have at least one qualifying day at Chesterfield.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Chesterfield Days per year at Chesterfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1948. 001111948: 11973: 11976: 1194819731976
Days per year at Chesterfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1948.
Days at or above 30 C (86 F) per year at Chesterfield
YearDaysDecade average
194811
197311
197611
First to last qualifying date each year at Chesterfield For each year, a bar from the first to the last day at Chesterfield meeting 30 C (86 F). 1948: 9 August 1948 to 9 August 19481973: 21 July 1973 to 21 July 19731976: 2 July 1976 to 2 July 1976194819731976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chesterfield meeting 30 C (86 F).
First to last qualifying date each year at Chesterfield
YearFirst dateLast date
19481948-08-091948-08-09
19731973-07-211973-07-21
19761976-07-021976-07-02

Every Fixed Threshold

Fixed thresholds at Chesterfield
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3119481
0 C (32 F): Ice days (max492551972229
0 C (32 F): Frost days (min462931972275
-10 C (14 F): Days with min462271936194
-20 C (-4 F): Days with min461781936146
-30 C (-22 F): Days with min46127196492
-40 C (-40 F): Days with min464219626
10 mm (0.39 in): Days with 10 mm or more rain461319327
25 mm (0.98 in): Days with 25 mm or more rain16519321
50 mm (1.97 in): Days with 50 mm or more rain2119341
10 cm (3.9 in): Days with 10 cm or more snowfall27819321
25 cm (9.8 in): Days with 25 cm or more snowfall2219321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Chesterfield 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).