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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Galena Threshold Days by Year

11 fixed thresholds counted per year at Galena (USC00103417): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Galena Thresholds

  • Galena: days with a maximum temperature at or below 0 C (32 F) in 10 years, most in 1970 with 80.
  • Galena: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 1966 with 314.
  • Galena: nights with a minimum temperature at or below -10 C (14 F) in 10 years, most in 1970 with 148.
  • Galena: nights with a minimum temperature at or below -20 C (-4 F) in 10 years, most in 1990 with 42.
  • 11 fixed thresholds have at least one qualifying day at Galena.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Galena Days per year at Galena with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1969. 02461966: 21967: 31968: 11969: 51981: 51990: 21992: 41966196719681969198119901992
Days per year at Galena with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1969.
Days at or above 30 C (86 F) per year at Galena
YearDaysDecade average
196622.8
196732.8
196812.8
196952.8
198155
199023
199243
First to last qualifying date each year at Galena For each year, a bar from the first to the last day at Galena meeting 30 C (86 F). 1966: 30 July 1966 to 2 August 19661967: 16 August 1967 to 19 August 19671968: 7 August 1968 to 7 August 19681969: 25 July 1969 to 25 August 19691981: 7 August 1981 to 14 August 19811990: 8 August 1990 to 9 August 19901992: 2 August 1992 to 13 August 19921966196719681969198119901992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Galena meeting 30 C (86 F).
First to last qualifying date each year at Galena
YearFirst dateLast date
19661966-07-301966-08-02
19671967-08-161967-08-19
19681968-08-071968-08-07
19691969-07-251969-08-25
19811981-08-071981-08-14
19901990-08-081990-08-09
19921992-08-021992-08-13

Every Fixed Threshold

Fixed thresholds at Galena
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7519694
0 C (32 F): Ice days (max1080197048
0 C (32 F): Frost days (min103141966279
-10 C (14 F): Days with min10148197083
-20 C (-4 F): Days with min1042199018
-30 C (-22 F): Days with min2519905
10 mm (0.39 in): Days with 10 mm or more rain1030197014
25 mm (0.98 in): Days with 25 mm or more rain8819693
50 mm (1.97 in): Days with 50 mm or more rain2119681
10 cm (3.9 in): Days with 10 cm or more snowfall723198110
25 cm (9.8 in): Days with 25 cm or more snowfall7419812

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Galena 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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