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Built 2026-10-19 (19 October 2026)

Davis Island Dam Threshold Days by Year (USC00362041)

4 fixed thresholds counted per year at Davis Island Dam (USC00362041): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Davis Island Dam Thresholds

  • Davis Island Dam: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1919 with 44.
  • Davis Island Dam: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1901 with 11.
  • Davis Island Dam: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1901 with 3.
  • Davis Island Dam: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1911 with 1.
  • 4 fixed thresholds have at least one qualifying day at Davis Island Dam.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Davis Island Dam Days per year at Davis Island Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1919. 02040601892: 281893: 341894: 261895: 271896: 371897: 271898: 381899: 341900: 271901: 361902: 281903: 311904: 351905: 351906: 241907: 381908: 341909: 231910: 261911: 391912: 321913: 371914: 291915: 391916: 311917: 371918: 351919: 441920: 301921: 321892189518981901190419071910191319161919
Days per year at Davis Island Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1919.
Days with 10 mm (0.39 in) or more of precipitation per year at Davis Island Dam
YearDaysDecade average
18922831.4
18933431.4
18942631.4
18952731.4
18963731.4
18972731.4
18983831.4
18993431.4
19002731.1
19013631.1
19022831.1
19033131.1
19043531.1
19053531.1
19062431.1
19073831.1
19083431.1
19092331.1
19102634.9
19113934.9
19123234.9
19133734.9
19142934.9
19153934.9
19163134.9
19173734.9
19183534.9
19194434.9
19203031
19213231
First to last qualifying date each year at Davis Island Dam For each year, a bar from the first to the last day at Davis Island Dam meeting 10 mm (0.39 in). 1892: 6 January 1892 to 14 December 18921893: 1 January 1893 to 29 December 18931894: 16 January 1894 to 27 December 18941895: 6 January 1895 to 31 December 18951896: 24 January 1896 to 23 December 18961897: 6 February 1897 to 21 December 18971898: 1 January 1898 to 31 December 18981899: 15 January 1899 to 15 December 18991900: 12 January 1900 to 5 December 19001901: 10 January 1901 to 29 December 19011902: 9 March 1902 to 16 December 19021903: 3 January 1903 to 20 December 19031904: 21 January 1904 to 27 December 19041905: 7 January 1905 to 29 December 19051906: 4 January 1906 to 6 December 19061907: 12 January 1907 to 23 December 19071908: 27 January 1908 to 18 December 19081909: 17 January 1909 to 14 December 19091910: 6 January 1910 to 30 December 19101911: 14 January 1911 to 31 December 19111912: 22 February 1912 to 6 December 19121913: 4 January 1913 to 26 December 19131914: 3 January 1914 to 21 December 19141915: 7 January 1915 to 30 December 19151916: 2 January 1916 to 27 December 19161917: 3 January 1917 to 30 October 19171918: 12 January 1918 to 25 December 19181919: 1 January 1919 to 14 December 19191920: 8 January 1920 to 2 December 19201921: 8 January 1921 to 24 December 192118921896190019041908191219161920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Davis Island Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Davis Island Dam
YearFirst dateLast date
18921892-01-061892-12-14
18931893-01-011893-12-29
18941894-01-161894-12-27
18951895-01-061895-12-31
18961896-01-241896-12-23
18971897-02-061897-12-21
18981898-01-011898-12-31
18991899-01-151899-12-15
19001900-01-121900-12-05
19011901-01-101901-12-29
19021902-03-091902-12-16
19031903-01-031903-12-20
19041904-01-211904-12-27
19051905-01-071905-12-29
19061906-01-041906-12-06
19071907-01-121907-12-23
19081908-01-271908-12-18
19091909-01-171909-12-14
19101910-01-061910-12-30
19111911-01-141911-12-31
19121912-02-221912-12-06
19131913-01-041913-12-26
19141914-01-031914-12-21
19151915-01-071915-12-30
19161916-01-021916-12-27
19171917-01-031917-10-30
19181918-01-121918-12-25
19191919-01-011919-12-14
19201920-01-081920-12-02
19211921-01-081921-12-24

Every Fixed Threshold

Fixed thresholds at Davis Island Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3044191932
25 mm (0.98 in): Days with 25 mm or more rain291119015
50 mm (1.97 in): Days with 50 mm or more rain13319012
100 mm (3.94 in): Days with 100 mm or more rain2119111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1892.

Download the Data

  • Data for Davis Island 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).