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

Madison 1 NW Threshold Days by Year (USC00034528)

17 fixed thresholds counted per year at Madison 1 NW (USC00034528): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Madison 1 NW Thresholds

  • Madison 1 NW: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1951 with 56.
  • Madison 1 NW: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1951 with 26.
  • Madison 1 NW: days with 50 mm (1.97 in) or more of precipitation in 59 years, most in 1987 with 10.
  • Madison 1 NW: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 2011 with 2.
  • 17 fixed thresholds have at least one qualifying day at Madison 1 NW.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Madison 1 NW Days per year at Madison 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 2010. 0501001502006: 862007: 1102008: 802009: 682010: 1292011: 1122012: 1122013: 922015: 99200620072008200920102011201220132015
Days per year at Madison 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 2010.
Days at or above 30 C (86 F) per year at Madison 1 NW
YearDaysDecade average
20068686
200711086
20088086
20096886
2010129108.8
2011112108.8
2012112108.8
201392108.8
201599108.8
First to last qualifying date each year at Madison 1 NW For each year, a bar from the first to the last day at Madison 1 NW meeting 30 C (86 F). 2006: 17 April 2006 to 5 October 20062007: 1 May 2007 to 9 October 20072008: 20 May 2008 to 30 September 20082009: 28 May 2009 to 28 September 20092010: 16 April 2010 to 11 October 20102011: 10 April 2011 to 18 October 20112012: 1 April 2012 to 28 September 20122013: 17 April 2013 to 6 October 20132015: 10 April 2015 to 16 October 201520062008201020122015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Madison 1 NW meeting 30 C (86 F).
First to last qualifying date each year at Madison 1 NW
YearFirst dateLast date
20062006-04-172006-10-05
20072007-05-012007-10-09
20082008-05-202008-09-30
20092009-05-282009-09-28
20102010-04-162010-10-11
20112011-04-102011-10-18
20122012-04-012012-09-28
20132013-04-172013-10-06
20152015-04-102015-10-16

Every Fixed Threshold

Fixed thresholds at Madison 1 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9129201099
35 C (95 F): Days959201024
40 C (104 F): Days2220101
90 F (32.2 C): Days9107201070
100 F (37.8 C): Days41220109
0 C (32 F): Ice days (max91420106
0 C (32 F): Frost days (min988200855
-10 C (14 F): Days with min7920108
20 C (68 F): Tropical nights (min993201075
25 C (77 F): Days with min81420103
10 mm (0.39 in): Days with 10 mm or more rain6156195144
25 mm (0.98 in): Days with 25 mm or more rain6126195114
50 mm (1.97 in): Days with 50 mm or more rain591019871
100 mm (3.94 in): Days with 100 mm or more rain12220112
200 mm (7.87 in): Days with 200 mm or more rain1119801
10 cm (3.9 in): Days with 10 cm or more snowfall12219601
25 cm (9.8 in): Days with 25 cm or more snowfall2119631

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2006.

Download the Data

  • Data for Madison 1 NW 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).