Built 2026-10-19 (19 October 2026)

West Branch Threshold Days by Year (USC00349503)

6 fixed thresholds counted per year at West Branch (USC00349503): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Branch Thresholds

  • West Branch: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1957 with 43.
  • West Branch: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1957 with 20.
  • West Branch: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1974 with 6.
  • West Branch: days with 10 cm (3.9 in) or more of snowfall in 11 years, most in 1970 with 4.
  • 6 fixed thresholds have at least one qualifying day at West Branch.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at West Branch Days per year at West Branch with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1957. 02040601945: 231946: 261947: 201948: 251949: 321950: 221951: 211952: 241953: 221954: 171955: 171956: 211957: 431958: 251959: 411960: 251961: 321962: 231963: 221964: 251965: 231966: 171967: 301968: 291969: 271970: 251971: 251972: 331973: 381974: 361945194819511954195719601963196619691972
Days per year at West Branch with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at West Branch
YearDaysDecade average
19452325.2
19462625.2
19472025.2
19482525.2
19493225.2
19502225.3
19512125.3
19522425.3
19532225.3
19541725.3
19551725.3
19562125.3
19574325.3
19582525.3
19594125.3
19602525.3
19613225.3
19622325.3
19632225.3
19642525.3
19652325.3
19661725.3
19673025.3
19682925.3
19692725.3
19702531.4
19712531.4
19723331.4
19733831.4
19743631.4
First to last qualifying date each year at West Branch For each year, a bar from the first to the last day at West Branch meeting 10 mm (0.39 in). 1945: 17 February 1945 to 30 September 19451946: 5 January 1946 to 11 December 19461947: 13 March 1947 to 4 December 19471948: 1 January 1948 to 28 November 19481949: 11 January 1949 to 31 December 19491950: 4 January 1950 to 3 November 19501951: 14 February 1951 to 25 November 19511952: 3 January 1952 to 19 December 19521953: 11 February 1953 to 3 December 19531954: 20 February 1954 to 29 December 19541955: 4 February 1955 to 5 October 19551956: 21 March 1956 to 20 December 19561957: 7 February 1957 to 25 December 19571958: 20 January 1958 to 18 November 19581959: 10 February 1959 to 18 December 19591960: 4 February 1960 to 11 December 19601961: 18 February 1961 to 17 December 19611962: 21 March 1962 to 3 December 19621963: 5 January 1963 to 22 November 19631964: 31 January 1964 to 10 December 19641965: 22 January 1965 to 24 December 19651966: 9 February 1966 to 23 December 19661967: 26 January 1967 to 31 October 19671968: 19 January 1968 to 27 December 19681969: 14 February 1969 to 6 December 19691970: 18 January 1970 to 16 December 19701971: 3 January 1971 to 15 December 19711972: 12 February 1972 to 30 December 19721973: 3 January 1973 to 4 December 19731974: 15 February 1974 to 31 December 197419451949195319571961196519691973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at West Branch meeting 10 mm (0.39 in).
First to last qualifying date each year at West Branch
YearFirst dateLast date
19451945-02-171945-09-30
19461946-01-051946-12-11
19471947-03-131947-12-04
19481948-01-011948-11-28
19491949-01-111949-12-31
19501950-01-041950-11-03
19511951-02-141951-11-25
19521952-01-031952-12-19
19531953-02-111953-12-03
19541954-02-201954-12-29
19551955-02-041955-10-05
19561956-03-211956-12-20
19571957-02-071957-12-25
19581958-01-201958-11-18
19591959-02-101959-12-18
19601960-02-041960-12-11
19611961-02-181961-12-17
19621962-03-211962-12-03
19631963-01-051963-11-22
19641964-01-311964-12-10
19651965-01-221965-12-24
19661966-02-091966-12-23
19671967-01-261967-10-31
19681968-01-191968-12-27
19691969-02-141969-12-06
19701970-01-181970-12-16
19711971-01-031971-12-15
19721972-02-121972-12-30
19731973-01-031973-12-04
19741974-02-151974-12-31

Every Fixed Threshold

Fixed thresholds at West Branch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3043195736
25 mm (0.98 in): Days with 25 mm or more rain3020195714
50 mm (1.97 in): Days with 50 mm or more rain27619746
100 mm (3.94 in): Days with 100 mm or more rain9119501
200 mm (7.87 in): Days with 200 mm or more rain1119591
10 cm (3.9 in): Days with 10 cm or more snowfall11419701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for West Branch 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).