Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Marshalltwn Pol Cn Pl Threshold Days by Year (USC00135203)

9 fixed thresholds counted per year at Marshalltwn Pol Cn Pl (USC00135203): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marshalltwn Pol Cn Pl Thresholds

  • Marshalltwn Pol Cn Pl: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1993 with 40.
  • Marshalltwn Pol Cn Pl: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1993 with 18.
  • Marshalltwn Pol Cn Pl: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 2025 with 6.
  • Marshalltwn Pol Cn Pl: days with 10 cm (3.9 in) or more of snowfall in 7 years, most in 2019 with 5.
  • 9 fixed thresholds have at least one qualifying day at Marshalltwn Pol Cn Pl.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Marshalltwn Pol Cn Pl Days per year at Marshalltwn Pol Cn Pl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1991. 0204060801991: 651992: 281993: 271994: 461991199219931994
Days per year at Marshalltwn Pol Cn Pl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1991.
Days at or above 30 C (86 F) per year at Marshalltwn Pol Cn Pl
YearDaysDecade average
19916541.5
19922841.5
19932741.5
19944641.5
First to last qualifying date each year at Marshalltwn Pol Cn Pl For each year, a bar from the first to the last day at Marshalltwn Pol Cn Pl meeting 30 C (86 F). 1991: 6 April 1991 to 15 September 19911992: 30 April 1992 to 16 September 19921993: 10 June 1993 to 12 September 19931994: 18 April 1994 to 30 September 19941991199219931994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Marshalltwn Pol Cn Pl meeting 30 C (86 F).
First to last qualifying date each year at Marshalltwn Pol Cn Pl
YearFirst dateLast date
19911991-04-061991-09-15
19921992-04-301992-09-16
19931993-06-101993-09-12
19941994-04-181994-09-30

Every Fixed Threshold

Fixed thresholds at Marshalltwn Pol Cn Pl
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days465199146
35 C (95 F): Days21119913
90 F (32.2 C): Days436199127
0 C (32 F): Ice days (max443199443
10 mm (0.39 in): Days with 10 mm or more rain1340199333
25 mm (0.98 in): Days with 25 mm or more rain1318199312
50 mm (1.97 in): Days with 50 mm or more rain10620256
100 mm (3.94 in): Days with 100 mm or more rain1119931
10 cm (3.9 in): Days with 10 cm or more snowfall7520193

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Marshalltwn Pol Cn Pl 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).