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Built 2026-10-18 (18 October 2026)

Ulysses Threshold Days by Year

6 fixed thresholds counted per year at Ulysses (USC00258682): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ulysses Thresholds

  • Ulysses: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1993 with 33.
  • Ulysses: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1984 with 12.
  • Ulysses: days with 10 cm (3.9 in) or more of snowfall in 21 years, most in 1983 with 6.
  • Ulysses: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1998 with 5.
  • 6 fixed thresholds have at least one qualifying day at Ulysses.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ulysses Days per year at Ulysses with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1993. 0102030401962: 221964: 231978: 251979: 221981: 241984: 321985: 261986: 281987: 201988: 171989: 151990: 221991: 251992: 321993: 331994: 251995: 211996: 281997: 191998: 261999: 252000: 2019621979198519881991199419972000
Days per year at Ulysses with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Ulysses
YearDaysDecade average
19622222.5
19642322.5
19782523.5
19792223.5
19812423.1
19843223.1
19852623.1
19862823.1
19872023.1
19881723.1
19891523.1
19902225.6
19912525.6
19923225.6
19933325.6
19942525.6
19952125.6
19962825.6
19971925.6
19982625.6
19992525.6
20002020
First to last qualifying date each year at Ulysses For each year, a bar from the first to the last day at Ulysses meeting 10 mm (0.39 in). 1962: 15 February 1962 to 20 October 19621964: 3 February 1964 to 15 November 19641978: 13 February 1978 to 26 November 19781979: 13 January 1979 to 21 November 19791981: 4 March 1981 to 1 December 19811984: 26 March 1984 to 15 December 19841985: 21 February 1985 to 18 November 19851986: 4 February 1986 to 24 October 19861987: 16 March 1987 to 15 September 19871988: 9 April 1988 to 16 November 19881989: 29 January 1989 to 23 October 19891990: 20 January 1990 to 3 November 19901991: 4 January 1991 to 31 December 19911992: 15 February 1992 to 25 November 19921993: 8 January 1993 to 12 November 19931994: 22 February 1994 to 6 December 19941995: 2 February 1995 to 1 November 19951996: 14 April 1996 to 29 November 19961997: 15 January 1997 to 26 October 19971998: 8 March 1998 to 3 November 19981999: 22 February 1999 to 3 December 19992000: 2 January 2000 to 6 November 200019621979198519881991199419972000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ulysses meeting 10 mm (0.39 in).
First to last qualifying date each year at Ulysses
YearFirst dateLast date
19621962-02-151962-10-20
19641964-02-031964-11-15
19781978-02-131978-11-26
19791979-01-131979-11-21
19811981-03-041981-12-01
19841984-03-261984-12-15
19851985-02-211985-11-18
19861986-02-041986-10-24
19871987-03-161987-09-15
19881988-04-091988-11-16
19891989-01-291989-10-23
19901990-01-201990-11-03
19911991-01-041991-12-31
19921992-02-151992-11-25
19931993-01-081993-11-12
19941994-02-221994-12-06
19951995-02-021995-11-01
19961996-04-141996-11-29
19971997-01-151997-10-26
19981998-03-081998-11-03
19991999-02-221999-12-03
20002000-01-022000-11-06

Every Fixed Threshold

Fixed thresholds at Ulysses
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2233199320
25 mm (0.98 in): Days with 25 mm or more rain221219844
50 mm (1.97 in): Days with 50 mm or more rain14519985
100 mm (3.94 in): Days with 100 mm or more rain3119851
10 cm (3.9 in): Days with 10 cm or more snowfall21619833
25 cm (9.8 in): Days with 25 cm or more snowfall3219971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Ulysses 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).