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

Cedar Falls Threshold Days by Year (USC00131300)

17 fixed thresholds counted per year at Cedar Falls (USC00131300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cedar Falls Thresholds

  • Cedar Falls: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1951 with 44.
  • Cedar Falls: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1942 with 14.
  • Cedar Falls: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1939 with 5.
  • Cedar Falls: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1898 with 4.
  • 17 fixed thresholds have at least one qualifying day at Cedar Falls.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Cedar Falls Days per year at Cedar Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1894. 02550751001894: 871895: 711896: 431898: 491894189518961898
Days per year at Cedar Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1894.
Days at or above 30 C (86 F) per year at Cedar Falls
YearDaysDecade average
18948762.5
18957162.5
18964362.5
18984962.5
First to last qualifying date each year at Cedar Falls For each year, a bar from the first to the last day at Cedar Falls meeting 30 C (86 F). 1894: 14 May 1894 to 28 September 18941895: 29 March 1895 to 21 September 18951896: 6 May 1896 to 14 August 18961898: 16 April 1898 to 29 September 18981894189518961898JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cedar Falls meeting 30 C (86 F).
First to last qualifying date each year at Cedar Falls
YearFirst dateLast date
18941894-05-141894-09-28
18951895-03-291895-09-21
18961896-05-061896-08-14
18981898-04-161898-09-29

Every Fixed Threshold

Fixed thresholds at Cedar Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days487189449
35 C (95 F): Days42318943
40 C (104 F): Days1118941
90 F (32.2 C): Days465189434
100 F (37.8 C): Days1418944
0 C (32 F): Ice days (max467189559
0 C (32 F): Frost days (min41591895147
-10 C (14 F): Days with min478189560
-20 C (-4 F): Days with min423189512
-30 C (-22 F): Days with min2418954
20 C (68 F): Tropical nights (min415189815
10 mm (0.39 in): Days with 10 mm or more rain3344195127
25 mm (0.98 in): Days with 25 mm or more rain331419424
50 mm (1.97 in): Days with 50 mm or more rain24418981
100 mm (3.94 in): Days with 100 mm or more rain6119401
10 cm (3.9 in): Days with 10 cm or more snowfall28519393
25 cm (9.8 in): Days with 25 cm or more snowfall4119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Cedar Falls 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).