Built 2026-10-19 (19 October 2026)

Castle Threshold Days by Year (CA003051430)

14 fixed thresholds counted per year at Castle (CA003051430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castle Thresholds

  • Castle: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1967 with 15.
  • Castle: days with a maximum temperature at or below 0 C (32 F) in 7 years, most in 1975 with 87.
  • Castle: nights with a minimum temperature at or below 0 C (32 F) in 7 years, most in 1970 with 235.
  • Castle: nights with a minimum temperature at or below -10 C (14 F) in 7 years, most in 1969 with 90.
  • 14 fixed thresholds have at least one qualifying day at Castle.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Castle Days per year at Castle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1967. 0510151965: 31966: 11967: 151968: 11969: 31970: 131975: 51965196619671968196919701975
Days per year at Castle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1967.
Days at or above 30 C (86 F) per year at Castle
YearDaysDecade average
196534.6
196614.6
1967154.6
196814.6
196934.6
1970139
197559
First to last qualifying date each year at Castle For each year, a bar from the first to the last day at Castle meeting 30 C (86 F). 1965: 1 August 1965 to 9 August 19651966: 25 August 1966 to 25 August 19661967: 4 August 1967 to 5 September 19671968: 9 July 1968 to 9 July 19681969: 20 August 1969 to 24 August 19691970: 5 June 1970 to 25 August 19701975: 4 July 1975 to 28 July 19751965196619671968196919701975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Castle meeting 30 C (86 F).
First to last qualifying date each year at Castle
YearFirst dateLast date
19651965-08-011965-08-09
19661966-08-251966-08-25
19671967-08-041967-09-05
19681968-07-091968-07-09
19691969-08-201969-08-24
19701970-06-051970-08-25
19751975-07-041975-07-28

Every Fixed Threshold

Fixed thresholds at Castle
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days71519675
90 F (32.2 C): Days3419671
0 C (32 F): Ice days (max787197587
0 C (32 F): Frost days (min72351970216
-10 C (14 F): Days with min790196988
-20 C (-4 F): Days with min744196543
-30 C (-22 F): Days with min71519699
-40 C (-40 F): Days with min3219682
10 mm (0.39 in): Days with 10 mm or more rain742197542
25 mm (0.98 in): Days with 25 mm or more rain7819758
50 mm (1.97 in): Days with 50 mm or more rain2319753
10 cm (3.9 in): Days with 10 cm or more snowfall726197016
25 cm (9.8 in): Days with 25 cm or more snowfall6519701
50 cm (19.7 in): Days with 50 cm or more snowfall1119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Castle 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).