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

Atwater Ctr Threshold Days by Year (USC00330290)

3 fixed thresholds counted per year at Atwater Ctr (USC00330290): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atwater Ctr Thresholds

  • Atwater Ctr: days with 10 mm (0.39 in) or more of precipitation in 7 years, most in 1904 with 40.
  • Atwater Ctr: days with 25 mm (0.98 in) or more of precipitation in 7 years, most in 1905 with 14.
  • Atwater Ctr: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1900 with 3.
  • 3 fixed thresholds have at least one qualifying day at Atwater Ctr.
7 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Atwater Ctr Days per year at Atwater Ctr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1904. 0102030401899: 291900: 371901: 311902: 321904: 401905: 381906: 361899190019011902190419051906
Days per year at Atwater Ctr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1904.
Days with 10 mm (0.39 in) or more of precipitation per year at Atwater Ctr
YearDaysDecade average
18992929
19003735.7
19013135.7
19023235.7
19044035.7
19053835.7
19063635.7
First to last qualifying date each year at Atwater Ctr For each year, a bar from the first to the last day at Atwater Ctr meeting 10 mm (0.39 in). 1899: 14 January 1899 to 19 December 18991900: 11 January 1900 to 28 December 19001901: 11 January 1901 to 14 December 19011902: 12 January 1902 to 15 December 19021904: 20 January 1904 to 27 December 19041905: 9 February 1905 to 28 December 19051906: 3 January 1906 to 15 December 19061899190019011902190419051906JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Atwater Ctr meeting 10 mm (0.39 in).
First to last qualifying date each year at Atwater Ctr
YearFirst dateLast date
18991899-01-141899-12-19
19001900-01-111900-12-28
19011901-01-111901-12-14
19021902-01-121902-12-15
19041904-01-201904-12-27
19051905-02-091905-12-28
19061906-01-031906-12-15

Every Fixed Threshold

Fixed thresholds at Atwater Ctr
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain740190436
25 mm (0.98 in): Days with 25 mm or more rain71419055
50 mm (1.97 in): Days with 50 mm or more rain4319002

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

  • Data for Atwater Ctr 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).