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

Forestport Threshold Days by Year (USC00302917)

7 fixed thresholds counted per year at Forestport (USC00302917): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Forestport Thresholds

  • Forestport: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1970 with 70.
  • Forestport: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1972 with 16.
  • Forestport: days with 10 cm (3.9 in) or more of snowfall in 26 years, most in 1971 with 23.
  • Forestport: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1972 with 4.
  • 7 fixed thresholds have at least one qualifying day at Forestport.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Forestport Days per year at Forestport with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1970. 0204060801943: 371944: 331945: 401946: 381947: 341948: 361949: 411950: 451951: 451952: 391953: 411954: 441955: 311956: 371957: 391958: 381959: 481960: 301961: 431962: 421963: 241964: 241965: 251966: 301967: 381968: 571969: 541970: 701971: 661972: 671973: 571974: 5019431947195119551959196319671971
Days per year at Forestport with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1970.
Days with 10 mm (0.39 in) or more of precipitation per year at Forestport
YearDaysDecade average
19433737
19443337
19454037
19463837
19473437
19483637
19494137
19504540.7
19514540.7
19523940.7
19534140.7
19544440.7
19553140.7
19563740.7
19573940.7
19583840.7
19594840.7
19603036.7
19614336.7
19624236.7
19632436.7
19642436.7
19652536.7
19663036.7
19673836.7
19685736.7
19695436.7
19707062
19716662
19726762
19735762
19745062
First to last qualifying date each year at Forestport For each year, a bar from the first to the last day at Forestport meeting 10 mm (0.39 in). 1943: 4 January 1943 to 7 December 19431944: 15 February 1944 to 28 December 19441945: 1 January 1945 to 26 December 19451946: 10 January 1946 to 28 December 19461947: 15 January 1947 to 16 December 19471948: 2 January 1948 to 30 December 19481949: 1 January 1949 to 28 December 19491950: 4 January 1950 to 16 December 19501951: 4 January 1951 to 21 December 19511952: 18 January 1952 to 12 December 19521953: 9 January 1953 to 23 December 19531954: 6 January 1954 to 30 December 19541955: 12 February 1955 to 4 December 19551956: 31 January 1956 to 23 December 19561957: 22 January 1957 to 27 December 19571958: 1 January 1958 to 20 December 19581959: 2 January 1959 to 29 December 19591960: 3 January 1960 to 16 December 19601961: 1 January 1961 to 20 December 19611962: 7 January 1962 to 22 December 19621963: 20 January 1963 to 19 December 19631964: 2 January 1964 to 25 December 19641965: 9 January 1965 to 25 December 19651966: 24 January 1966 to 29 December 19661967: 2 February 1967 to 29 December 19671968: 5 January 1968 to 29 December 19681969: 2 January 1969 to 28 December 19691970: 29 January 1970 to 24 December 19701971: 6 January 1971 to 31 December 19711972: 8 January 1972 to 31 December 19721973: 4 January 1973 to 27 December 19731974: 21 January 1974 to 18 December 197419431947195119551959196319671971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Forestport meeting 10 mm (0.39 in).
First to last qualifying date each year at Forestport
YearFirst dateLast date
19431943-01-041943-12-07
19441944-02-151944-12-28
19451945-01-011945-12-26
19461946-01-101946-12-28
19471947-01-151947-12-16
19481948-01-021948-12-30
19491949-01-011949-12-28
19501950-01-041950-12-16
19511951-01-041951-12-21
19521952-01-181952-12-12
19531953-01-091953-12-23
19541954-01-061954-12-30
19551955-02-121955-12-04
19561956-01-311956-12-23
19571957-01-221957-12-27
19581958-01-011958-12-20
19591959-01-021959-12-29
19601960-01-031960-12-16
19611961-01-011961-12-20
19621962-01-071962-12-22
19631963-01-201963-12-19
19641964-01-021964-12-25
19651965-01-091965-12-25
19661966-01-241966-12-29
19671967-02-021967-12-29
19681968-01-051968-12-29
19691969-01-021969-12-28
19701970-01-291970-12-24
19711971-01-061971-12-31
19721972-01-081972-12-31
19731973-01-041973-12-27
19741974-01-211974-12-18

Every Fixed Threshold

Fixed thresholds at Forestport
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3270197050
25 mm (0.98 in): Days with 25 mm or more rain3116197212
50 mm (1.97 in): Days with 50 mm or more rain20419721
100 mm (3.94 in): Days with 100 mm or more rain2119521
10 cm (3.9 in): Days with 10 cm or more snowfall262319719
25 cm (9.8 in): Days with 25 cm or more snowfall16819721
50 cm (19.7 in): Days with 50 cm or more snowfall2219722

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 Forestport 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).