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

W Topsham Threshold Days by Year (USC00439588)

6 fixed thresholds counted per year at W Topsham (USC00439588): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for W Topsham Thresholds

  • W Topsham: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1954 with 43.
  • W Topsham: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1951 with 10.
  • W Topsham: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1951 with 14.
  • W Topsham: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1942 with 3.
  • 6 fixed thresholds have at least one qualifying day at W Topsham.
12 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at W Topsham Days per year at W Topsham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1954. 02040601941: 231942: 331944: 341947: 291948: 291951: 411952: 381953: 351954: 431955: 261956: 352025: 3194119441948195219541956
Days per year at W Topsham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1954.
Days with 10 mm (0.39 in) or more of precipitation per year at W Topsham
YearDaysDecade average
19412329.6
19423329.6
19443429.6
19472929.6
19482929.6
19514136.3
19523836.3
19533536.3
19544336.3
19552636.3
19563536.3
202533
First to last qualifying date each year at W Topsham For each year, a bar from the first to the last day at W Topsham meeting 10 mm (0.39 in). 1941: 8 February 1941 to 25 December 19411942: 2 January 1942 to 31 December 19421944: 7 January 1944 to 28 December 19441947: 3 January 1947 to 25 November 19471948: 3 January 1948 to 31 December 19481951: 24 January 1951 to 25 December 19511952: 15 January 1952 to 12 December 19521953: 3 January 1953 to 14 December 19531954: 6 January 1954 to 31 December 19541955: 2 January 1955 to 21 November 19551956: 9 January 1956 to 29 December 19562025: 7 February 2025 to 17 February 2025194119441948195219541956JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at W Topsham meeting 10 mm (0.39 in).
First to last qualifying date each year at W Topsham
YearFirst dateLast date
19411941-02-081941-12-25
19421942-01-021942-12-31
19441944-01-071944-12-28
19471947-01-031947-11-25
19481948-01-031948-12-31
19511951-01-241951-12-25
19521952-01-151952-12-12
19531953-01-031953-12-14
19541954-01-061954-12-31
19551955-01-021955-11-21
19561956-01-091956-12-29
20252025-02-072025-02-17

Every Fixed Threshold

Fixed thresholds at W Topsham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain124319543
25 mm (0.98 in): Days with 25 mm or more rain111019516
50 mm (1.97 in): Days with 50 mm or more rain7319421
10 cm (3.9 in): Days with 10 cm or more snowfall81419514
25 cm (9.8 in): Days with 25 cm or more snowfall6219522
50 cm (19.7 in): Days with 50 cm or more snowfall1119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for W Topsham 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).