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Built 2026-10-18 (18 October 2026)

Alexander 4 NNW Threshold Days by Year

5 fixed thresholds counted per year at Alexander 4 NNW (USC00320096): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alexander 4 NNW Thresholds

  • Alexander 4 NNW: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1986 with 21.
  • Alexander 4 NNW: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1982 with 6.
  • Alexander 4 NNW: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1950 with 4.
  • Alexander 4 NNW: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1993 with 2.
  • 5 fixed thresholds have at least one qualifying day at Alexander 4 NNW.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alexander 4 NNW Days per year at Alexander 4 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1986. 01020301949: 61950: 161951: 51952: 71953: 151954: 141955: 51956: 81957: 91961: 81962: 181963: 121964: 91965: 141966: 71967: 91968: 111969: 101970: 111972: 101973: 121974: 71975: 131976: 91977: 111980: 81981: 131982: 191983: 71984: 71985: 121986: 211991: 151992: 91993: 181994: 81995: 111996: 51998: 122000: 142001: 92002: 102005: 122006: 72007: 92008: 111949195419621967197319801985199420012008
Days per year at Alexander 4 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1986.
Days with 10 mm (0.39 in) or more of precipitation per year at Alexander 4 NNW
YearDaysDecade average
194966
1950169.9
195159.9
195279.9
1953159.9
1954149.9
195559.9
195689.9
195799.9
1961810.9
19621810.9
19631210.9
1964910.9
19651410.9
1966710.9
1967910.9
19681110.9
19691010.9
19701110.4
19721010.4
19731210.4
1974710.4
19751310.4
1976910.4
19771110.4
1980812.4
19811312.4
19821912.4
1983712.4
1984712.4
19851212.4
19862112.4
19911511.1
1992911.1
19931811.1
1994811.1
19951111.1
1996511.1
19981211.1
20001410.3
2001910.3
20021010.3
20051210.3
2006710.3
2007910.3
20081110.3
First to last qualifying date each year at Alexander 4 NNW For each year, a bar from the first to the last day at Alexander 4 NNW meeting 10 mm (0.39 in). 1949: 30 May 1949 to 18 October 19491950: 26 March 1950 to 30 September 19501951: 26 January 1951 to 26 September 19511952: 2 June 1952 to 27 August 19521953: 24 April 1953 to 22 October 19531954: 11 March 1954 to 16 September 19541955: 19 April 1955 to 29 July 19551956: 10 May 1956 to 30 August 19561957: 20 April 1957 to 18 September 19571961: 22 February 1961 to 10 September 19611962: 28 March 1962 to 15 October 19621963: 25 March 1963 to 27 August 19631964: 3 May 1964 to 29 August 19641965: 5 May 1965 to 15 September 19651966: 15 May 1966 to 21 August 19661967: 16 April 1967 to 6 October 19671968: 8 May 1968 to 12 December 19681969: 26 April 1969 to 14 July 19691970: 15 April 1970 to 29 October 19701972: 13 April 1972 to 26 September 19721973: 19 April 1973 to 4 September 19731974: 13 May 1974 to 31 October 19741975: 28 March 1975 to 14 October 19751976: 1 January 1976 to 19 September 19761977: 19 May 1977 to 20 November 19771980: 6 January 1980 to 23 October 19801981: 25 January 1981 to 6 August 19811982: 19 April 1982 to 28 October 19821983: 5 March 1983 to 22 August 19831984: 25 March 1984 to 7 September 19841985: 28 March 1985 to 19 November 19851986: 19 February 1986 to 18 November 19861991: 27 April 1991 to 21 September 19911992: 18 April 1992 to 23 August 19921993: 28 March 1993 to 30 August 19931994: 8 April 1994 to 13 October 19941995: 17 January 1995 to 2 October 19951996: 23 June 1996 to 19 September 19961998: 1 March 1998 to 29 October 19982000: 27 May 2000 to 8 November 20002001: 13 April 2001 to 22 July 20012002: 9 May 2002 to 9 August 20022005: 8 May 2005 to 10 October 20052006: 19 April 2006 to 22 September 20062007: 29 March 2007 to 6 October 20072008: 10 May 2008 to 28 December 200819491955196419701977198519952005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alexander 4 NNW meeting 10 mm (0.39 in).
First to last qualifying date each year at Alexander 4 NNW
YearFirst dateLast date
19491949-05-301949-10-18
19501950-03-261950-09-30
19511951-01-261951-09-26
19521952-06-021952-08-27
19531953-04-241953-10-22
19541954-03-111954-09-16
19551955-04-191955-07-29
19561956-05-101956-08-30
19571957-04-201957-09-18
19611961-02-221961-09-10
19621962-03-281962-10-15
19631963-03-251963-08-27
19641964-05-031964-08-29
19651965-05-051965-09-15
19661966-05-151966-08-21
19671967-04-161967-10-06
19681968-05-081968-12-12
19691969-04-261969-07-14
19701970-04-151970-10-29
19721972-04-131972-09-26
19731973-04-191973-09-04
19741974-05-131974-10-31
19751975-03-281975-10-14
19761976-01-011976-09-19
19771977-05-191977-11-20
19801980-01-061980-10-23
19811981-01-251981-08-06
19821982-04-191982-10-28
19831983-03-051983-08-22
19841984-03-251984-09-07
19851985-03-281985-11-19
19861986-02-191986-11-18
19911991-04-271991-09-21
19921992-04-181992-08-23
19931993-03-281993-08-30
19941994-04-081994-10-13
19951995-01-171995-10-02
19961996-06-231996-09-19
19981998-03-011998-10-29
20002000-05-272000-11-08
20012001-04-132001-07-22
20022002-05-092002-08-09
20052005-05-082005-10-10
20062006-04-192006-09-22
20072007-03-292007-10-06
20082008-05-102008-12-28

Every Fixed Threshold

Fixed thresholds at Alexander 4 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4621198611
25 mm (0.98 in): Days with 25 mm or more rain39619823
50 mm (1.97 in): Days with 50 mm or more rain6219931
10 cm (3.9 in): Days with 10 cm or more snowfall15419502
25 cm (9.8 in): Days with 25 cm or more snowfall2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Alexander 4 NNW 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).