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Built 2026-10-19 (19 October 2026)

Morse Threshold Days by Year (USC00416070)

6 fixed thresholds counted per year at Morse (USC00416070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morse Thresholds

  • Morse: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1991 with 26.
  • Morse: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1965 with 10.
  • Morse: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1996 with 4.
  • Morse: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1983 with 3.
  • 6 fixed thresholds have at least one qualifying day at Morse.
45 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Morse Days per year at Morse with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1991. 01020301945: 181948: 191949: 211951: 141953: 151954: 121955: 91956: 61957: 171958: 201959: 131960: 231961: 171962: 171963: 91964: 131965: 131966: 111967: 121968: 161972: 121973: 201974: 151976: 81977: 131978: 151979: 161980: 181981: 161982: 151983: 121984: 121985: 181986: 101987: 231988: 121989: 141990: 141991: 261992: 181993: 151994: 161995: 161996: 251997: 23194519541959196419721978198319881993
Days per year at Morse with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1991.
Days with 10 mm (0.39 in) or more of precipitation per year at Morse
YearDaysDecade average
19451819.3
19481919.3
19492119.3
19511413.3
19531513.3
19541213.3
1955913.3
1956613.3
19571713.3
19582013.3
19591313.3
19602314.6
19611714.6
19621714.6
1963914.6
19641314.6
19651314.6
19661114.6
19671214.6
19681614.6
19721214.1
19732014.1
19741514.1
1976814.1
19771314.1
19781514.1
19791614.1
19801815
19811615
19821515
19831215
19841215
19851815
19861015
19872315
19881215
19891415
19901419.1
19912619.1
19921819.1
19931519.1
19941619.1
19951619.1
19962519.1
19972319.1
First to last qualifying date each year at Morse For each year, a bar from the first to the last day at Morse meeting 10 mm (0.39 in). 1945: 20 January 1945 to 29 September 19451948: 29 January 1948 to 1 November 19481949: 26 February 1949 to 10 October 19491951: 24 February 1951 to 10 August 19511953: 16 May 1953 to 3 December 19531954: 12 April 1954 to 7 October 19541955: 30 April 1955 to 25 September 19551956: 1 May 1956 to 17 October 19561957: 4 January 1957 to 3 November 19571958: 27 January 1958 to 30 December 19581959: 20 March 1959 to 17 December 19591960: 17 January 1960 to 10 December 19601961: 5 February 1961 to 15 November 19611962: 15 February 1962 to 15 September 19621963: 9 February 1963 to 10 September 19631964: 3 February 1964 to 16 November 19641965: 11 March 1965 to 18 October 19651966: 27 February 1966 to 27 September 19661967: 11 April 1967 to 9 August 19671968: 21 January 1968 to 16 October 19681972: 26 April 1972 to 20 October 19721973: 10 March 1973 to 4 December 19731974: 10 March 1974 to 30 October 19741976: 15 April 1976 to 17 September 19761977: 15 April 1977 to 31 August 19771978: 3 May 1978 to 21 September 19781979: 18 March 1979 to 31 October 19791980: 19 January 1980 to 8 December 19801981: 15 March 1981 to 16 October 19811982: 30 March 1982 to 27 December 19821983: 21 January 1983 to 21 October 19831984: 28 March 1984 to 15 December 19841985: 21 February 1985 to 14 November 19851986: 27 May 1986 to 5 November 19861987: 15 February 1987 to 7 November 19871988: 6 January 1988 to 22 September 19881989: 16 May 1989 to 13 September 19891990: 19 January 1990 to 30 September 19901991: 10 January 1991 to 31 December 19911992: 28 March 1992 to 5 December 19921993: 9 January 1993 to 13 December 19931994: 26 January 1994 to 7 December 19941995: 6 May 1995 to 18 December 19951996: 4 June 1996 to 1 December 19961997: 3 April 1997 to 24 December 199719451955196119671977198319891995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Morse meeting 10 mm (0.39 in).
First to last qualifying date each year at Morse
YearFirst dateLast date
19451945-01-201945-09-29
19481948-01-291948-11-01
19491949-02-261949-10-10
19511951-02-241951-08-10
19531953-05-161953-12-03
19541954-04-121954-10-07
19551955-04-301955-09-25
19561956-05-011956-10-17
19571957-01-041957-11-03
19581958-01-271958-12-30
19591959-03-201959-12-17
19601960-01-171960-12-10
19611961-02-051961-11-15
19621962-02-151962-09-15
19631963-02-091963-09-10
19641964-02-031964-11-16
19651965-03-111965-10-18
19661966-02-271966-09-27
19671967-04-111967-08-09
19681968-01-211968-10-16
19721972-04-261972-10-20
19731973-03-101973-12-04
19741974-03-101974-10-30
19761976-04-151976-09-17
19771977-04-151977-08-31
19781978-05-031978-09-21
19791979-03-181979-10-31
19801980-01-191980-12-08
19811981-03-151981-10-16
19821982-03-301982-12-27
19831983-01-211983-10-21
19841984-03-281984-12-15
19851985-02-211985-11-14
19861986-05-271986-11-05
19871987-02-151987-11-07
19881988-01-061988-09-22
19891989-05-161989-09-13
19901990-01-191990-09-30
19911991-01-101991-12-31
19921992-03-281992-12-05
19931993-01-091993-12-13
19941994-01-261994-12-07
19951995-05-061995-12-18
19961996-06-041996-12-01
19971997-04-031997-12-24

Every Fixed Threshold

Fixed thresholds at Morse
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4526199123
25 mm (0.98 in): Days with 25 mm or more rain451019657
50 mm (1.97 in): Days with 50 mm or more rain27419961
100 mm (3.94 in): Days with 100 mm or more rain3119541
10 cm (3.9 in): Days with 10 cm or more snowfall14319832
25 cm (9.8 in): Days with 25 cm or more snowfall1119871

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 Morse 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).