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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Glencliffe Threshold Days by Year

3 fixed thresholds counted per year at Glencliffe (ASN00040085): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glencliffe Thresholds

  • Glencliffe: days with 10 mm (0.39 in) or more of precipitation in 4 years, most in 1947 with 32.
  • Glencliffe: days with 25 mm (0.98 in) or more of precipitation in 4 years, most in 1947 with 18.
  • Glencliffe: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1947 with 2.
  • 3 fixed thresholds have at least one qualifying day at Glencliffe.
4 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Glencliffe Days per year at Glencliffe with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1947. 0102030401947: 321948: 271949: 291951: 171947194819491951
Days per year at Glencliffe with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Glencliffe
YearDaysDecade average
19473229.3
19482729.3
19492929.3
19511717
First to last qualifying date each year at Glencliffe For each year, a bar from the first to the last day at Glencliffe meeting 10 mm (0.39 in). 1947: 23 January 1947 to 24 December 19471948: 12 January 1948 to 31 December 19481949: 3 January 1949 to 16 December 19491951: 16 January 1951 to 20 December 19511947194819491951JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Glencliffe meeting 10 mm (0.39 in).
First to last qualifying date each year at Glencliffe
YearFirst dateLast date
19471947-01-231947-12-24
19481948-01-121948-12-31
19491949-01-031949-12-16
19511951-01-161951-12-20

Every Fixed Threshold

Fixed thresholds at Glencliffe
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain432194717
25 mm (0.98 in): Days with 25 mm or more rain41819474
50 mm (1.97 in): Days with 50 mm or more rain3219471

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Glencliffe 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).