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

Chatham Point Threshold Days by Year (CA001021480)

11 fixed thresholds counted per year at Chatham Point (CA001021480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chatham Point Thresholds

  • Chatham Point: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1975 with 64.
  • Chatham Point: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1968 with 94.
  • Chatham Point: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1975 with 36.
  • Chatham Point: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1982 with 7.
  • 11 fixed thresholds have at least one qualifying day at Chatham Point.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Chatham Point Days per year at Chatham Point with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1960. 01231960: 31961: 21965: 21967: 11971: 21982: 11983: 11960196119651967197119821983
Days per year at Chatham Point with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1960.
Days at or above 30 C (86 F) per year at Chatham Point
YearDaysDecade average
196032
196122
196522
196712
197122
198211
198311
First to last qualifying date each year at Chatham Point For each year, a bar from the first to the last day at Chatham Point meeting 30 C (86 F). 1960: 7 August 1960 to 9 August 19601961: 12 July 1961 to 4 August 19611965: 29 July 1965 to 30 July 19651967: 19 June 1967 to 19 June 19671971: 28 July 1971 to 29 July 19711982: 27 July 1982 to 27 July 19821983: 29 May 1983 to 29 May 19831960196119651967197119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chatham Point meeting 30 C (86 F).
First to last qualifying date each year at Chatham Point
YearFirst dateLast date
19601960-08-071960-08-09
19611961-07-121961-08-04
19651965-07-291965-07-30
19671967-06-191967-06-19
19711971-07-281971-07-29
19821982-07-271982-07-27
19831983-05-291983-05-29

Every Fixed Threshold

Fixed thresholds at Chatham Point
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7319601
90 F (32.2 C): Days1119611
0 C (32 F): Ice days (max232219695
0 C (32 F): Frost days (min2564197527
-10 C (14 F): Days with min4419682
10 mm (0.39 in): Days with 10 mm or more rain2594196894
25 mm (0.98 in): Days with 25 mm or more rain2536197529
50 mm (1.97 in): Days with 50 mm or more rain24719825
100 mm (3.94 in): Days with 100 mm or more rain2119751
10 cm (3.9 in): Days with 10 cm or more snowfall221019643
25 cm (9.8 in): Days with 25 cm or more snowfall10219641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Chatham Point 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).