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Built 2026-10-19 (19 October 2026)

St Simeon Threshold Days by Year (CA007047735)

15 fixed thresholds counted per year at St Simeon (CA007047735): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Simeon Thresholds

  • St Simeon: days with a maximum temperature at or below 0 C (32 F) in 15 years, most in 1971 with 117.
  • St Simeon: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1974 with 211.
  • St Simeon: nights with a minimum temperature at or below -10 C (14 F) in 15 years, most in 1970 with 103.
  • St Simeon: nights with a minimum temperature at or below -20 C (-4 F) in 15 years, most in 1972 with 46.
  • 15 fixed thresholds have at least one qualifying day at St Simeon.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at St Simeon Days per year at St Simeon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1975. 02461969: 11970: 31973: 31975: 51976: 11977: 11978: 31979: 11981: 11983: 21969197019731975197619771978197919811983
Days per year at St Simeon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1975.
Days at or above 30 C (86 F) per year at St Simeon
YearDaysDecade average
196911
197032.4
197332.4
197552.4
197612.4
197712.4
197832.4
197912.4
198111.5
198321.5
First to last qualifying date each year at St Simeon For each year, a bar from the first to the last day at St Simeon meeting 30 C (86 F). 1969: 16 July 1969 to 16 July 19691970: 23 July 1970 to 15 August 19701973: 24 July 1973 to 26 July 19731975: 23 June 1975 to 2 August 19751976: 21 June 1976 to 21 June 19761977: 23 May 1977 to 23 May 19771978: 27 May 1978 to 15 August 19781979: 25 July 1979 to 25 July 19791981: 10 July 1981 to 10 July 19811983: 23 June 1983 to 4 July 198319691973197619781981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Simeon meeting 30 C (86 F).
First to last qualifying date each year at St Simeon
YearFirst dateLast date
19691969-07-161969-07-16
19701970-07-231970-08-15
19731973-07-241973-07-26
19751975-06-231975-08-02
19761976-06-211976-06-21
19771977-05-231977-05-23
19781978-05-271978-08-15
19791979-07-251979-07-25
19811981-07-101981-07-10
19831983-06-231983-07-04

Every Fixed Threshold

Fixed thresholds at St Simeon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days10519752
35 C (95 F): Days1119751
90 F (32.2 C): Days2219751
100 F (37.8 C): Days1119751
0 C (32 F): Ice days (max15117197193
0 C (32 F): Frost days (min152111974176
-10 C (14 F): Days with min15103197073
-20 C (-4 F): Days with min1546197220
-30 C (-22 F): Days with min7219742
20 C (68 F): Tropical nights (min2219692
10 mm (0.39 in): Days with 10 mm or more rain1547197245
25 mm (0.98 in): Days with 25 mm or more rain1516196914
50 mm (1.97 in): Days with 50 mm or more rain9319763
10 cm (3.9 in): Days with 10 cm or more snowfall1521197214
25 cm (9.8 in): Days with 25 cm or more snowfall12419694

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for St Simeon 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).