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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Castell Threshold Days by Year

4 fixed thresholds counted per year at Castell (USC00411521): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castell Thresholds

  • Castell: days with 10 mm (0.39 in) or more of precipitation in 6 years, most in 1968 with 30.
  • Castell: days with 25 mm (0.98 in) or more of precipitation in 6 years, most in 1968 with 13.
  • Castell: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1969 with 5.
  • Castell: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1978 with 1.
  • 4 fixed thresholds have at least one qualifying day at Castell.
6 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Castell Days per year at Castell with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1968. 01020301967: 181968: 301969: 291970: 151978: 201979: 23196719681969197019781979
Days per year at Castell with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Castell
YearDaysDecade average
19671825.7
19683025.7
19692925.7
19701519.3
19782019.3
19792319.3
First to last qualifying date each year at Castell For each year, a bar from the first to the last day at Castell meeting 10 mm (0.39 in). 1967: 20 March 1967 to 24 November 19671968: 17 January 1968 to 21 December 19681969: 14 February 1969 to 29 December 19691970: 2 January 1970 to 19 October 19701978: 16 January 1978 to 15 December 19781979: 4 January 1979 to 28 December 1979196719681969197019781979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Castell meeting 10 mm (0.39 in).
First to last qualifying date each year at Castell
YearFirst dateLast date
19671967-03-201967-11-24
19681968-01-171968-12-21
19691969-02-141969-12-29
19701970-01-021970-10-19
19781978-01-161978-12-15
19791979-01-041979-12-28

Every Fixed Threshold

Fixed thresholds at Castell
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain630196823
25 mm (0.98 in): Days with 25 mm or more rain61319688
50 mm (1.97 in): Days with 50 mm or more rain6519691
100 mm (3.94 in): Days with 100 mm or more rain1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Castell 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).