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

White Rock Stp Threshold Days by Year (CA001108914)

8 fixed thresholds counted per year at White Rock Stp (CA001108914): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for White Rock Stp Thresholds

  • White Rock Stp: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1971 with 50.
  • White Rock Stp: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1975 with 12.
  • White Rock Stp: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1971 with 5.
  • White Rock Stp: nights with a minimum temperature at or below 0 C (32 F) in 9 years, most in 1975 with 61.
  • 8 fixed thresholds have at least one qualifying day at White Rock Stp.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at White Rock Stp Days per year at White Rock Stp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1983. 011221977: 11978: 11981: 11983: 21977197819811983
Days per year at White Rock Stp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1983.
Days at or above 30 C (86 F) per year at White Rock Stp
YearDaysDecade average
197711
197811
198111.5
198321.5
First to last qualifying date each year at White Rock Stp For each year, a bar from the first to the last day at White Rock Stp meeting 30 C (86 F). 1977: 11 August 1977 to 11 August 19771978: 7 August 1978 to 7 August 19781981: 8 August 1981 to 8 August 19811983: 28 May 1983 to 29 May 19831977197819811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at White Rock Stp meeting 30 C (86 F).
First to last qualifying date each year at White Rock Stp
YearFirst dateLast date
19771977-08-111977-08-11
19781978-08-071978-08-07
19811981-08-081981-08-08
19831983-05-281983-05-29

Every Fixed Threshold

Fixed thresholds at White Rock Stp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4219832
0 C (32 F): Ice days (max71119804
0 C (32 F): Frost days (min961197530
-10 C (14 F): Days with min4219781
10 mm (0.39 in): Days with 10 mm or more rain1950197142
25 mm (0.98 in): Days with 25 mm or more rain191219757
50 mm (1.97 in): Days with 50 mm or more rain6219711
10 cm (3.9 in): Days with 10 cm or more snowfall12519712

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for White Rock Stp 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).