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Built 2026-10-19 (19 October 2026)

Amissville Threshold Days by Year (USC00440193)

6 fixed thresholds counted per year at Amissville (USC00440193): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Amissville Thresholds

  • Amissville: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1961 with 46.
  • Amissville: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1948 with 17.
  • Amissville: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1968 with 3.
  • Amissville: days with 10 cm (3.9 in) or more of snowfall in 25 years, most in 1966 with 7.
  • 6 fixed thresholds have at least one qualifying day at Amissville.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Amissville Days per year at Amissville with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1961. 02040601945: 361946: 341947: 311948: 411949: 321950: 311951: 291952: 401953: 301954: 291955: 241956: 261957: 251958: 371959: 371960: 361961: 461962: 411963: 261964: 301965: 251966: 291967: 291968: 261969: 341970: 351971: 321972: 431973: 411974: 341975: 341976: 311977: 301978: 36194519491953195719611965196919731977
Days per year at Amissville with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1961.
Days with 10 mm (0.39 in) or more of precipitation per year at Amissville
YearDaysDecade average
19453634.8
19463434.8
19473134.8
19484134.8
19493234.8
19503130.8
19512930.8
19524030.8
19533030.8
19542930.8
19552430.8
19562630.8
19572530.8
19583730.8
19593730.8
19603632.2
19614632.2
19624132.2
19632632.2
19643032.2
19652532.2
19662932.2
19672932.2
19682632.2
19693432.2
19703535.1
19713235.1
19724335.1
19734135.1
19743435.1
19753435.1
19763135.1
19773035.1
19783635.1
First to last qualifying date each year at Amissville For each year, a bar from the first to the last day at Amissville meeting 10 mm (0.39 in). 1945: 2 January 1945 to 26 December 19451946: 21 January 1946 to 21 December 19461947: 1 January 1947 to 16 December 19471948: 2 January 1948 to 30 December 19481949: 6 January 1949 to 31 October 19491950: 13 January 1950 to 8 December 19501951: 1 February 1951 to 21 December 19511952: 5 January 1952 to 11 December 19521953: 1 January 1953 to 14 December 19531954: 11 January 1954 to 30 December 19541955: 7 February 1955 to 19 November 19551956: 7 February 1956 to 23 December 19561957: 27 February 1957 to 26 December 19571958: 14 January 1958 to 29 November 19581959: 2 January 1959 to 18 December 19591960: 3 January 1960 to 12 December 19601961: 1 January 1961 to 17 December 19611962: 6 January 1962 to 30 December 19621963: 3 February 1963 to 24 December 19631964: 1 January 1964 to 28 December 19641965: 2 January 1965 to 8 October 19651966: 2 January 1966 to 29 December 19661967: 28 January 1967 to 29 December 19671968: 14 January 1968 to 23 December 19681969: 21 January 1969 to 31 December 19691970: 1 January 1970 to 23 December 19701971: 1 January 1971 to 30 November 19711972: 5 January 1972 to 26 November 19721973: 4 January 1973 to 27 December 19731974: 11 January 1974 to 28 December 19741975: 11 January 1975 to 26 December 19751976: 1 January 1976 to 7 December 19761977: 7 January 1977 to 21 December 19771978: 9 January 1978 to 30 November 19781945195019551960196519701975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Amissville meeting 10 mm (0.39 in).
First to last qualifying date each year at Amissville
YearFirst dateLast date
19451945-01-021945-12-26
19461946-01-211946-12-21
19471947-01-011947-12-16
19481948-01-021948-12-30
19491949-01-061949-10-31
19501950-01-131950-12-08
19511951-02-011951-12-21
19521952-01-051952-12-11
19531953-01-011953-12-14
19541954-01-111954-12-30
19551955-02-071955-11-19
19561956-02-071956-12-23
19571957-02-271957-12-26
19581958-01-141958-11-29
19591959-01-021959-12-18
19601960-01-031960-12-12
19611961-01-011961-12-17
19621962-01-061962-12-30
19631963-02-031963-12-24
19641964-01-011964-12-28
19651965-01-021965-10-08
19661966-01-021966-12-29
19671967-01-281967-12-29
19681968-01-141968-12-23
19691969-01-211969-12-31
19701970-01-011970-12-23
19711971-01-011971-11-30
19721972-01-051972-11-26
19731973-01-041973-12-27
19741974-01-111974-12-28
19751975-01-111975-12-26
19761976-01-011976-12-07
19771977-01-071977-12-21
19781978-01-091978-11-30

Every Fixed Threshold

Fixed thresholds at Amissville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3446196136
25 mm (0.98 in): Days with 25 mm or more rain341719487
50 mm (1.97 in): Days with 50 mm or more rain28319681
100 mm (3.94 in): Days with 100 mm or more rain2119541
10 cm (3.9 in): Days with 10 cm or more snowfall25719664
25 cm (9.8 in): Days with 25 cm or more snowfall7219602

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 Amissville 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).