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

Hiawatha 1 S Threshold Days by Year (USC00143634)

18 fixed thresholds counted per year at Hiawatha 1 S (USC00143634): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hiawatha 1 S Thresholds

  • Hiawatha 1 S: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1973 with 53.
  • Hiawatha 1 S: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1973 with 24.
  • Hiawatha 1 S: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1973 with 8.
  • Hiawatha 1 S: days with 10 cm (3.9 in) or more of snowfall in 42 years, most in 1952 with 5.
  • 18 fixed thresholds have at least one qualifying day at Hiawatha 1 S.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Hiawatha 1 S Days per year at Hiawatha 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2022. 02550751002008: 482009: 392010: 692011: 632012: 902013: 542015: 482016: 672021: 652022: 722008200920102011201220132015201620212022
Days per year at Hiawatha 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2022.
Days at or above 30 C (86 F) per year at Hiawatha 1 S
YearDaysDecade average
20084843.5
20093943.5
20106965.2
20116365.2
20129065.2
20135465.2
20154865.2
20166765.2
20216568.5
20227268.5
First to last qualifying date each year at Hiawatha 1 S For each year, a bar from the first to the last day at Hiawatha 1 S meeting 30 C (86 F). 2008: 2 May 2008 to 29 September 20082009: 24 May 2009 to 28 September 20092010: 23 May 2010 to 9 October 20102011: 4 April 2011 to 5 October 20112012: 1 April 2012 to 26 September 20122013: 1 May 2013 to 5 October 20132015: 8 June 2015 to 12 October 20152016: 8 May 2016 to 18 October 20162021: 27 April 2021 to 9 October 20212022: 13 April 2022 to 25 September 202220082010201220152021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hiawatha 1 S meeting 30 C (86 F).
First to last qualifying date each year at Hiawatha 1 S
YearFirst dateLast date
20082008-05-022008-09-29
20092009-05-242009-09-28
20102010-05-232010-10-09
20112011-04-042011-10-05
20122012-04-012012-09-26
20132013-05-012013-10-05
20152015-06-082015-10-12
20162016-05-082016-10-18
20212021-04-272021-10-09
20222022-04-132022-09-25

Every Fixed Threshold

Fixed thresholds at Hiawatha 1 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1072202272
35 C (95 F): Days101620119
40 C (104 F): Days2220112
90 F (32.2 C): Days1041202241
100 F (37.8 C): Days5520111
0 C (32 F): Ice days (max1047201036
0 C (32 F): Frost days (min101432022143
-10 C (14 F): Days with min1057202257
-20 C (-4 F): Days with min9820085
20 C (68 F): Tropical nights (min1053201026
25 C (77 F): Days with min6320101
10 mm (0.39 in): Days with 10 mm or more rain6353197327
25 mm (0.98 in): Days with 25 mm or more rain6324197310
50 mm (1.97 in): Days with 50 mm or more rain50819734
100 mm (3.94 in): Days with 100 mm or more rain16219682
200 mm (7.87 in): Days with 200 mm or more rain1120161
10 cm (3.9 in): Days with 10 cm or more snowfall42519523
25 cm (9.8 in): Days with 25 cm or more snowfall2119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Hiawatha 1 S 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 (2026-10-12).