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Built 2026-10-19 (19 October 2026)

St Wenceslas Threshold Days by Year (CA007027783)

12 fixed thresholds counted per year at St Wenceslas (CA007027783): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Wenceslas Thresholds

  • St Wenceslas: days with 10 mm (0.39 in) or more of precipitation in 4 years, most in 1983 with 39.
  • St Wenceslas: days with 25 mm (0.98 in) or more of precipitation in 4 years, most in 1981 with 8.
  • St Wenceslas: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1983 with 4.
  • St Wenceslas: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1983 with 16.
  • 12 fixed thresholds have at least one qualifying day at St Wenceslas.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at St Wenceslas Days per year at St Wenceslas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1983. 051015201981: 51982: 61983: 16198119821983
Days per year at St Wenceslas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1983.
Days at or above 30 C (86 F) per year at St Wenceslas
YearDaysDecade average
198159
198269
1983169
First to last qualifying date each year at St Wenceslas For each year, a bar from the first to the last day at St Wenceslas meeting 30 C (86 F). 1981: 16 June 1981 to 10 July 19811982: 7 July 1982 to 18 July 19821983: 13 June 1983 to 6 September 1983198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Wenceslas meeting 30 C (86 F).
First to last qualifying date each year at St Wenceslas
YearFirst dateLast date
19811981-06-161981-07-10
19821982-07-071982-07-18
19831983-06-131983-09-06

Every Fixed Threshold

Fixed thresholds at St Wenceslas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days316198316
90 F (32.2 C): Days2219832
0 C (32 F): Ice days (max381198273
0 C (32 F): Frost days (min31741983174
-10 C (14 F): Days with min384198263
-20 C (-4 F): Days with min344198219
-30 C (-22 F): Days with min31419823
20 C (68 F): Tropical nights (min3619836
10 mm (0.39 in): Days with 10 mm or more rain439198339
25 mm (0.98 in): Days with 25 mm or more rain4819814
50 mm (1.97 in): Days with 50 mm or more rain1219812
10 cm (3.9 in): Days with 10 cm or more snowfall4419834

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 Wenceslas 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).