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Built 2026-10-19 (19 October 2026)

Westmoreland Threshold Days by Year (USC00148719)

7 fixed thresholds counted per year at Westmoreland (USC00148719): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westmoreland Thresholds

  • Westmoreland: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1951 with 44.
  • Westmoreland: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1973 with 23.
  • Westmoreland: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1951 with 6.
  • Westmoreland: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1971 with 5.
  • 7 fixed thresholds have at least one qualifying day at Westmoreland.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Westmoreland Days per year at Westmoreland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1951. 02040601943: 291944: 351945: 291946: 241947: 251948: 271949: 221950: 211951: 441952: 201953: 171954: 291955: 221956: 211957: 291958: 331959: 241960: 231961: 401962: 201963: 211964: 261965: 261966: 141967: 271968: 271969: 281970: 281971: 271972: 251973: 401974: 271975: 301976: 171977: 282010: 19194319471951195519591963196719711975
Days per year at Westmoreland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1951.
Days with 10 mm (0.39 in) or more of precipitation per year at Westmoreland
YearDaysDecade average
19432927.3
19443527.3
19452927.3
19462427.3
19472527.3
19482727.3
19492227.3
19502126
19514426
19522026
19531726
19542926
19552226
19562126
19572926
19583326
19592426
19602325.2
19614025.2
19622025.2
19632125.2
19642625.2
19652625.2
19661425.2
19672725.2
19682725.2
19692825.2
19702827.8
19712727.8
19722527.8
19734027.8
19742727.8
19753027.8
19761727.8
19772827.8
20101919
First to last qualifying date each year at Westmoreland For each year, a bar from the first to the last day at Westmoreland meeting 10 mm (0.39 in). 1943: 3 February 1943 to 10 December 19431944: 4 March 1944 to 4 December 19441945: 21 February 1945 to 30 September 19451946: 5 March 1946 to 12 December 19461947: 2 January 1947 to 4 December 19471948: 1 January 1948 to 2 November 19481949: 4 January 1949 to 11 December 19491950: 29 April 1950 to 3 November 19501951: 26 February 1951 to 12 November 19511952: 10 March 1952 to 22 December 19521953: 20 February 1953 to 3 December 19531954: 20 February 1954 to 5 December 19541955: 5 January 1955 to 4 October 19551956: 10 April 1956 to 5 November 19561957: 18 March 1957 to 18 November 19571958: 20 January 1958 to 24 September 19581959: 10 February 1959 to 5 October 19591960: 15 January 1960 to 11 December 19601961: 18 February 1961 to 9 December 19611962: 21 March 1962 to 16 November 19621963: 4 March 1963 to 20 November 19631964: 20 March 1964 to 10 December 19641965: 2 January 1965 to 24 December 19651966: 2 January 1966 to 28 December 19661967: 26 March 1967 to 15 October 19671968: 3 April 1968 to 19 December 19681969: 15 February 1969 to 6 December 19691970: 1 March 1970 to 9 November 19701971: 3 January 1971 to 29 November 19711972: 15 March 1972 to 30 December 19721973: 3 January 1973 to 24 December 19731974: 22 February 1974 to 10 November 19741975: 2 January 1975 to 14 December 19751976: 16 February 1976 to 26 September 19761977: 23 January 1977 to 9 November 19772010: 7 January 2010 to 19 November 201019431948195319581963196819732010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Westmoreland meeting 10 mm (0.39 in).
First to last qualifying date each year at Westmoreland
YearFirst dateLast date
19431943-02-031943-12-10
19441944-03-041944-12-04
19451945-02-211945-09-30
19461946-03-051946-12-12
19471947-01-021947-12-04
19481948-01-011948-11-02
19491949-01-041949-12-11
19501950-04-291950-11-03
19511951-02-261951-11-12
19521952-03-101952-12-22
19531953-02-201953-12-03
19541954-02-201954-12-05
19551955-01-051955-10-04
19561956-04-101956-11-05
19571957-03-181957-11-18
19581958-01-201958-09-24
19591959-02-101959-10-05
19601960-01-151960-12-11
19611961-02-181961-12-09
19621962-03-211962-11-16
19631963-03-041963-11-20
19641964-03-201964-12-10
19651965-01-021965-12-24
19661966-01-021966-12-28
19671967-03-261967-10-15
19681968-04-031968-12-19
19691969-02-151969-12-06
19701970-03-011970-11-09
19711971-01-031971-11-29
19721972-03-151972-12-30
19731973-01-031973-12-24
19741974-02-221974-11-10
19751975-01-021975-12-14
19761976-02-161976-09-26
19771977-01-231977-11-09
20102010-01-072010-11-19

Every Fixed Threshold

Fixed thresholds at Westmoreland
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3644195119
25 mm (0.98 in): Days with 25 mm or more rain3623197312
50 mm (1.97 in): Days with 50 mm or more rain33619512
100 mm (3.94 in): Days with 100 mm or more rain6219731
200 mm (7.87 in): Days with 200 mm or more rain1119681
10 cm (3.9 in): Days with 10 cm or more snowfall24519711
25 cm (9.8 in): Days with 25 cm or more snowfall3119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Westmoreland 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).