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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Marietta Threshold Days by Year

4 fixed thresholds counted per year at Marietta (USC00115334): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marietta Thresholds

  • Marietta: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 2010 with 43.
  • Marietta: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 2010 with 17.
  • Marietta: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1950 with 2.
  • Marietta: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 2010 with 2.
  • 4 fixed thresholds have at least one qualifying day at Marietta.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Marietta Days per year at Marietta with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 2010. 02040601949: 251950: 192010: 43194919502010
Days per year at Marietta with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 2010.
Days with 10 mm (0.39 in) or more of precipitation per year at Marietta
YearDaysDecade average
19492525
19501919
20104343
First to last qualifying date each year at Marietta For each year, a bar from the first to the last day at Marietta meeting 10 mm (0.39 in). 1949: 13 January 1949 to 21 October 19491950: 3 January 1950 to 19 November 19502010: 24 January 2010 to 25 November 2010194919502010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Marietta meeting 10 mm (0.39 in).
First to last qualifying date each year at Marietta
YearFirst dateLast date
19491949-01-131949-10-21
19501950-01-031950-11-19
20102010-01-242010-11-25

Every Fixed Threshold

Fixed thresholds at Marietta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain343201043
25 mm (0.98 in): Days with 25 mm or more rain317201017
50 mm (1.97 in): Days with 50 mm or more rain2219501
10 cm (3.9 in): Days with 10 cm or more snowfall1220102

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Marietta 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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