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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

St Prime Threshold Days by Year (CA007067658)

13 fixed thresholds counted per year at St Prime (CA007067658): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Prime Thresholds

  • St Prime: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1983 with 14.
  • St Prime: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1982 with 114.
  • St Prime: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1982 with 197.
  • St Prime: nights with a minimum temperature at or below -10 C (14 F) in 3 years, most in 1982 with 116.
  • 13 fixed thresholds have at least one qualifying day at St Prime.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at St Prime Days per year at St Prime with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1983. 0510151981: 71982: 81983: 14198119821983
Days per year at St Prime with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1983.
Days at or above 30 C (86 F) per year at St Prime
YearDaysDecade average
198179.7
198289.7
1983149.7
First to last qualifying date each year at St Prime For each year, a bar from the first to the last day at St Prime meeting 30 C (86 F). 1981: 5 June 1981 to 1 August 19811982: 7 May 1982 to 18 July 19821983: 15 June 1983 to 6 September 1983198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Prime meeting 30 C (86 F).
First to last qualifying date each year at St Prime
YearFirst dateLast date
19811981-06-051981-08-01
19821982-05-071982-07-18
19831983-06-151983-09-06

Every Fixed Threshold

Fixed thresholds at St Prime
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days314198314
35 C (95 F): Days1119831
90 F (32.2 C): Days2219822
0 C (32 F): Ice days (max31141982112
0 C (32 F): Frost days (min31971982196
-10 C (14 F): Days with min3116198295
-20 C (-4 F): Days with min372198243
-30 C (-22 F): Days with min32319825
20 C (68 F): Tropical nights (min3419834
10 mm (0.39 in): Days with 10 mm or more rain325198224
25 mm (0.98 in): Days with 25 mm or more rain3419812
50 mm (1.97 in): Days with 50 mm or more rain1119811
10 cm (3.9 in): Days with 10 cm or more snowfall3719837

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 St Prime 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).