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Built 2026-10-18 (18 October 2026)

Yorktown Threshold Days by Year

6 fixed thresholds counted per year at Yorktown (USC00419953): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yorktown Thresholds

  • Yorktown: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 2004 with 42.
  • Yorktown: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1973 with 19.
  • Yorktown: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1973 with 8.
  • Yorktown: days with 100 mm (3.94 in) or more of precipitation in 23 years, most in 1952 with 2.
  • 6 fixed thresholds have at least one qualifying day at Yorktown.
63 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Yorktown Days per year at Yorktown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 2004. 02040601942: 251943: 251944: 241945: 201946: 341948: 191949: 371950: 121951: 191952: 211956: 151957: 301958: 311959: 251960: 341961: 191962: 181963: 141964: 231965: 291966: 201967: 231968: 281969: 271970: 251971: 311972: 271973: 371974: 261975: 221976: 351977: 241978: 191979: 341980: 211981: 311983: 261984: 271985: 241989: 241990: 191991: 371992: 311993: 211994: 331995: 211996: 171997: 341998: 331999: 232000: 292001: 302002: 292003: 282004: 422005: 212006: 252007: 322008: 202009: 272010: 312011: 162012: 19194219501960196719741981199219992006
Days per year at Yorktown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 2004.
Days with 10 mm (0.39 in) or more of precipitation per year at Yorktown
YearDaysDecade average
19422526.3
19432526.3
19442426.3
19452026.3
19463426.3
19481926.3
19493726.3
19501221.9
19511921.9
19522121.9
19561521.9
19573021.9
19583121.9
19592521.9
19603423.5
19611923.5
19621823.5
19631423.5
19642323.5
19652923.5
19662023.5
19672323.5
19682823.5
19692723.5
19702528
19713128
19722728
19733728
19742628
19752228
19763528
19772428
19781928
19793428
19802125.5
19813125.5
19832625.5
19842725.5
19852425.5
19892425.5
19901926.9
19913726.9
19923126.9
19932126.9
19943326.9
19952126.9
19961726.9
19973426.9
19983326.9
19992326.9
20002928.3
20013028.3
20022928.3
20032828.3
20044228.3
20052128.3
20062528.3
20073228.3
20082028.3
20092728.3
20103122
20111622
20121922
First to last qualifying date each year at Yorktown For each year, a bar from the first to the last day at Yorktown meeting 10 mm (0.39 in). 1942: 8 January 1942 to 27 December 19421943: 7 January 1943 to 27 December 19431944: 1 January 1944 to 26 December 19441945: 18 January 1945 to 3 December 19451946: 5 January 1946 to 12 December 19461948: 17 January 1948 to 14 November 19481949: 21 January 1949 to 18 December 19491950: 22 February 1950 to 21 December 19501951: 14 February 1951 to 26 November 19511952: 21 February 1952 to 18 December 19521956: 2 February 1956 to 21 December 19561957: 13 February 1957 to 31 December 19571958: 5 January 1958 to 30 December 19581959: 1 February 1959 to 31 December 19591960: 3 February 1960 to 31 December 19601961: 6 January 1961 to 6 November 19611962: 15 February 1962 to 24 December 19621963: 18 January 1963 to 14 December 19631964: 16 January 1964 to 10 December 19641965: 3 January 1965 to 18 December 19651966: 22 January 1966 to 16 December 19661967: 10 January 1967 to 9 November 19671968: 19 January 1968 to 1 December 19681969: 14 February 1969 to 30 December 19691970: 5 January 1970 to 12 October 19701971: 26 February 1971 to 6 December 19711972: 1 January 1972 to 24 November 19721973: 2 January 1973 to 19 December 19731974: 23 January 1974 to 11 December 19741975: 8 April 1975 to 23 December 19751976: 5 April 1976 to 25 December 19761977: 1 January 1977 to 8 November 19771978: 12 January 1978 to 31 December 19781979: 1 January 1979 to 29 December 19791980: 21 January 1980 to 16 December 19801981: 19 January 1981 to 7 December 19811983: 19 January 1983 to 6 November 19831984: 9 January 1984 to 30 December 19841985: 11 January 1985 to 10 December 19851989: 12 January 1989 to 1 December 19891990: 5 January 1990 to 26 December 19901991: 2 January 1991 to 25 December 19911992: 4 January 1992 to 14 December 19921993: 7 January 1993 to 22 December 19931994: 12 January 1994 to 27 December 19941995: 12 January 1995 to 21 December 19951996: 29 February 1996 to 15 December 19961997: 7 January 1997 to 2 December 19971998: 6 January 1998 to 11 December 19981999: 11 February 1999 to 24 November 19992000: 6 January 2000 to 25 December 20002001: 10 January 2001 to 11 December 20012002: 7 April 2002 to 30 December 20022003: 11 January 2003 to 28 December 20032004: 16 January 2004 to 25 December 20042005: 27 January 2005 to 11 October 20052006: 25 February 2006 to 29 December 20062007: 3 January 2007 to 23 November 20072008: 15 January 2008 to 11 November 20082009: 26 March 2009 to 30 December 20092010: 14 January 2010 to 24 December 20102011: 4 January 2011 to 24 December 20112012: 8 January 2012 to 17 December 201219421951196219701978199019982006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Yorktown meeting 10 mm (0.39 in).
First to last qualifying date each year at Yorktown
YearFirst dateLast date
19421942-01-081942-12-27
19431943-01-071943-12-27
19441944-01-011944-12-26
19451945-01-181945-12-03
19461946-01-051946-12-12
19481948-01-171948-11-14
19491949-01-211949-12-18
19501950-02-221950-12-21
19511951-02-141951-11-26
19521952-02-211952-12-18
19561956-02-021956-12-21
19571957-02-131957-12-31
19581958-01-051958-12-30
19591959-02-011959-12-31
19601960-02-031960-12-31
19611961-01-061961-11-06
19621962-02-151962-12-24
19631963-01-181963-12-14
19641964-01-161964-12-10
19651965-01-031965-12-18
19661966-01-221966-12-16
19671967-01-101967-11-09
19681968-01-191968-12-01
19691969-02-141969-12-30
19701970-01-051970-10-12
19711971-02-261971-12-06
19721972-01-011972-11-24
19731973-01-021973-12-19
19741974-01-231974-12-11
19751975-04-081975-12-23
19761976-04-051976-12-25
19771977-01-011977-11-08
19781978-01-121978-12-31
19791979-01-011979-12-29
19801980-01-211980-12-16
19811981-01-191981-12-07
19831983-01-191983-11-06
19841984-01-091984-12-30
19851985-01-111985-12-10
19891989-01-121989-12-01
19901990-01-051990-12-26
19911991-01-021991-12-25
19921992-01-041992-12-14
19931993-01-071993-12-22
19941994-01-121994-12-27
19951995-01-121995-12-21
19961996-02-291996-12-15
19971997-01-071997-12-02
19981998-01-061998-12-11
19991999-02-111999-11-24
20002000-01-062000-12-25
20012001-01-102001-12-11
20022002-04-072002-12-30
20032003-01-112003-12-28
20042004-01-162004-12-25
20052005-01-272005-10-11
20062006-02-252006-12-29
20072007-01-032007-11-23
20082008-01-152008-11-11
20092009-03-262009-12-30
20102010-01-142010-12-24
20112011-01-042011-12-24
20122012-01-082012-12-17

Every Fixed Threshold

Fixed thresholds at Yorktown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6342200419
25 mm (0.98 in): Days with 25 mm or more rain631919737
50 mm (1.97 in): Days with 50 mm or more rain58819733
100 mm (3.94 in): Days with 100 mm or more rain23219521
200 mm (7.87 in): Days with 200 mm or more rain2219671
10 cm (3.9 in): Days with 10 cm or more snowfall1120041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Yorktown 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).