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

West Stewartstown Threshold Days by Year (USC00279525)

5 fixed thresholds counted per year at West Stewartstown (USC00279525): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Stewartstown Thresholds

  • West Stewartstown: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1937 with 36.
  • West Stewartstown: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1943 with 9.
  • West Stewartstown: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1924 with 3.
  • West Stewartstown: days with 10 cm (3.9 in) or more of snowfall in 2 years, most in 1932 with 5.
  • 5 fixed thresholds have at least one qualifying day at West Stewartstown.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at West Stewartstown Days per year at West Stewartstown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1937. 0102030401924: 211925: 191928: 331929: 331930: 251932: 311933: 351937: 361938: 331939: 271940: 281941: 191942: 241943: 291944: 291945: 341970: 29192419281930193319381940194219441970
Days per year at West Stewartstown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1937.
Days with 10 mm (0.39 in) or more of precipitation per year at West Stewartstown
YearDaysDecade average
19242126.5
19251926.5
19283326.5
19293326.5
19302531.2
19323131.2
19333531.2
19373631.2
19383331.2
19392731.2
19402827.2
19411927.2
19422427.2
19432927.2
19442927.2
19453427.2
19702929
First to last qualifying date each year at West Stewartstown For each year, a bar from the first to the last day at West Stewartstown meeting 10 mm (0.39 in). 1924: 12 January 1924 to 8 December 19241925: 30 January 1925 to 16 November 19251928: 1 January 1928 to 28 December 19281929: 18 January 1929 to 24 December 19291930: 9 January 1930 to 26 November 19301932: 7 January 1932 to 31 December 19321933: 20 January 1933 to 27 December 19331937: 14 January 1937 to 29 November 19371938: 2 January 1938 to 11 December 19381939: 16 February 1939 to 21 December 19391940: 5 March 1940 to 30 December 19401941: 18 May 1941 to 14 December 19411942: 20 January 1942 to 31 December 19421943: 12 February 1943 to 23 November 19431944: 15 February 1944 to 28 December 19441945: 2 January 1945 to 8 December 19451970: 6 January 1970 to 25 December 1970192419291933193919421945JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at West Stewartstown meeting 10 mm (0.39 in).
First to last qualifying date each year at West Stewartstown
YearFirst dateLast date
19241924-01-121924-12-08
19251925-01-301925-11-16
19281928-01-011928-12-28
19291929-01-181929-12-24
19301930-01-091930-11-26
19321932-01-071932-12-31
19331933-01-201933-12-27
19371937-01-141937-11-29
19381938-01-021938-12-11
19391939-02-161939-12-21
19401940-03-051940-12-30
19411941-05-181941-12-14
19421942-01-201942-12-31
19431943-02-121943-11-23
19441944-02-151944-12-28
19451945-01-021945-12-08
19701970-01-061970-12-25

Every Fixed Threshold

Fixed thresholds at West Stewartstown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1736193729
25 mm (0.98 in): Days with 25 mm or more rain17919435
50 mm (1.97 in): Days with 50 mm or more rain9319242
10 cm (3.9 in): Days with 10 cm or more snowfall2519325
25 cm (9.8 in): Days with 25 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 1924.

Download the Data

  • Data for West Stewartstown 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).