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

Roberts Dam Threshold Days by Year (USC00196915)

3 fixed thresholds counted per year at Roberts Dam (USC00196915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roberts Dam Thresholds

  • Roberts Dam: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1913 with 46.
  • Roberts Dam: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1913 with 14.
  • Roberts Dam: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1891 with 1.
  • 3 fixed thresholds have at least one qualifying day at Roberts Dam.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Roberts Dam Days per year at Roberts Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1913. 02040601891: 451892: 361893: 421894: 321909: 311910: 331911: 371912: 421913: 461914: 361915: 351916: 311917: 401918: 251921: 371923: 3518911893190919111913191519171921
Days per year at Roberts Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1913.
Days with 10 mm (0.39 in) or more of precipitation per year at Roberts Dam
YearDaysDecade average
18914538.8
18923638.8
18934238.8
18943238.8
19093131
19103336.1
19113736.1
19124236.1
19134636.1
19143636.1
19153536.1
19163136.1
19174036.1
19182536.1
19213736
19233536
First to last qualifying date each year at Roberts Dam For each year, a bar from the first to the last day at Roberts Dam meeting 10 mm (0.39 in). 1891: 2 January 1891 to 30 December 18911892: 3 January 1892 to 9 December 18921893: 2 January 1893 to 17 December 18931894: 27 January 1894 to 28 December 18941909: 6 January 1909 to 27 December 19091910: 7 January 1910 to 24 December 19101911: 28 January 1911 to 31 December 19111912: 9 January 1912 to 31 December 19121913: 3 January 1913 to 26 December 19131914: 21 January 1914 to 30 December 19141915: 7 January 1915 to 30 December 19151916: 2 January 1916 to 23 December 19161917: 4 January 1917 to 14 December 19171918: 8 January 1918 to 25 December 19181921: 6 January 1921 to 25 December 19211923: 2 January 1923 to 23 December 192318911893190919111913191519171921JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Roberts Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Roberts Dam
YearFirst dateLast date
18911891-01-021891-12-30
18921892-01-031892-12-09
18931893-01-021893-12-17
18941894-01-271894-12-28
19091909-01-061909-12-27
19101910-01-071910-12-24
19111911-01-281911-12-31
19121912-01-091912-12-31
19131913-01-031913-12-26
19141914-01-211914-12-30
19151915-01-071915-12-30
19161916-01-021916-12-23
19171917-01-041917-12-14
19181918-01-081918-12-25
19211921-01-061921-12-25
19231923-01-021923-12-23

Every Fixed Threshold

Fixed thresholds at Roberts Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1646191335
25 mm (0.98 in): Days with 25 mm or more rain1614191311
50 mm (1.97 in): Days with 50 mm or more rain7118913

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1891.

Download the Data

  • Data for Roberts Dam 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).