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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Bradley Threshold Days by Year (USC00041034)

4 fixed thresholds counted per year at Bradley (USC00041034): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bradley Thresholds

  • Bradley: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1958 with 18.
  • Bradley: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1963 with 5.
  • Bradley: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1955 with 1.
  • Bradley: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 1962 with 1.
  • 4 fixed thresholds have at least one qualifying day at Bradley.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bradley Days per year at Bradley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1958. 051015201947: 21948: 101949: 41950: 81951: 111953: 21954: 111955: 171956: 61957: 121958: 181962: 131963: 121964: 81965: 121966: 61970: 131971: 3194719491951195419561958196319651970
Days per year at Bradley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1958.
Days with 10 mm (0.39 in) or more of precipitation per year at Bradley
YearDaysDecade average
194725.3
1948105.3
194945.3
1950810.6
19511110.6
1953210.6
19541110.6
19551710.6
1956610.6
19571210.6
19581810.6
19621310.2
19631210.2
1964810.2
19651210.2
1966610.2
1970138
197138
First to last qualifying date each year at Bradley For each year, a bar from the first to the last day at Bradley meeting 10 mm (0.39 in). 1947: 28 January 1947 to 28 March 19471948: 4 February 1948 to 27 December 19481949: 3 March 1949 to 7 December 19491950: 8 January 1950 to 26 December 19501951: 10 January 1951 to 30 December 19511953: 27 April 1953 to 14 November 19531954: 17 January 1954 to 9 December 19541955: 9 January 1955 to 31 December 19551956: 6 January 1956 to 4 October 19561957: 5 January 1957 to 17 December 19571958: 24 January 1958 to 7 September 19581962: 20 January 1962 to 17 December 19621963: 30 January 1963 to 20 November 19631964: 21 January 1964 to 27 December 19641965: 5 March 1965 to 31 December 19651966: 30 January 1966 to 7 December 19661970: 16 January 1970 to 21 December 19701971: 13 March 1971 to 12 November 1971194719501954195719631966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bradley meeting 10 mm (0.39 in).
First to last qualifying date each year at Bradley
YearFirst dateLast date
19471947-01-281947-03-28
19481948-02-041948-12-27
19491949-03-031949-12-07
19501950-01-081950-12-26
19511951-01-101951-12-30
19531953-04-271953-11-14
19541954-01-171954-12-09
19551955-01-091955-12-31
19561956-01-061956-10-04
19571957-01-051957-12-17
19581958-01-241958-09-07
19621962-01-201962-12-17
19631963-01-301963-11-20
19641964-01-211964-12-27
19651965-03-051965-12-31
19661966-01-301966-12-07
19701970-01-161970-12-21
19711971-03-131971-11-12

Every Fixed Threshold

Fixed thresholds at Bradley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain181819583
25 mm (0.98 in): Days with 25 mm or more rain15519632
50 mm (1.97 in): Days with 50 mm or more rain3119551
10 cm (3.9 in): Days with 10 cm or more snowfall1119621

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 Bradley 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).