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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Galena Threshold Days by Year (USC00503212)

12 fixed thresholds counted per year at Galena (USC00503212): 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 21 years, most in 2000 with 174.
  • Galena: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 2000 with 250.
  • Galena: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 1999 with 183.
  • Galena: nights with a minimum temperature at or below -20 C (-4 F) in 21 years, most in 1999 with 127.
  • 12 fixed thresholds have at least one qualifying day at Galena.
4 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 4 in 2004. 012342004: 42007: 32009: 22025: 12004200720092025
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 4 in 2004.
Days at or above 30 C (86 F) per year at Galena
YearDaysDecade average
200443
200733
200923
202511
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). 2004: 7 June 2004 to 18 August 20042007: 3 July 2007 to 5 July 20072009: 7 July 2009 to 8 July 20092025: 6 July 2025 to 6 July 20252004200720092025JanFebMarAprMayJunJulAugSepOctNovDec
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
20042004-06-072004-08-18
20072007-07-032007-07-05
20092009-07-072009-07-08
20252025-07-062025-07-06

Every Fixed Threshold

Fixed thresholds at Galena
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4420041
90 F (32.2 C): Days1120091
0 C (32 F): Ice days (max211742000160
0 C (32 F): Frost days (min212502000215
-10 C (14 F): Days with min211831999142
-20 C (-4 F): Days with min21127199989
-30 C (-22 F): Days with min2171199940
-40 C (-40 F): Days with min212819997
10 mm (0.39 in): Days with 10 mm or more rain2015202412
25 mm (0.98 in): Days with 25 mm or more rain5420254
10 cm (3.9 in): Days with 10 cm or more snowfall171320053
25 cm (9.8 in): Days with 25 cm or more snowfall1120111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2004.

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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