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Built 2026-10-16 (16 October 2026)

Derra Threshold Days by Year

4 fixed thresholds counted per year at Derra (ASN00052049): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Derra Thresholds

  • Derra: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1890 with 27.
  • Derra: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1889 with 10.
  • Derra: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1887 with 2.
  • Derra: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1894 with 1.
  • 4 fixed thresholds have at least one qualifying day at Derra.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Derra Days per year at Derra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1890. 01020301887: 211888: 111889: 231890: 271891: 191892: 201893: 211894: 261895: 191896: 131897: 161898: 101899: 101900: 161901: 171902: 71903: 221904: 181905: 131906: 201907: 221908: 181909: 191910: 161911: 151912: 181913: 141914: 141915: 151916: 241917: 161918: 1018871891189518991903190719111915
Days per year at Derra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Derra
YearDaysDecade average
18872118.3
18881118.3
18892318.3
18902718.1
18911918.1
18922018.1
18932118.1
18942618.1
18951918.1
18961318.1
18971618.1
18981018.1
18991018.1
19001617.2
19011717.2
1902717.2
19032217.2
19041817.2
19051317.2
19062017.2
19072217.2
19081817.2
19091917.2
19101615.8
19111515.8
19121815.8
19131415.8
19141415.8
19151515.8
19162415.8
19171615.8
19181015.8
First to last qualifying date each year at Derra For each year, a bar from the first to the last day at Derra meeting 10 mm (0.39 in). 1887: 19 January 1887 to 18 December 18871888: 26 January 1888 to 2 December 18881889: 26 January 1889 to 18 December 18891890: 12 January 1890 to 23 December 18901891: 11 January 1891 to 29 December 18911892: 12 January 1892 to 20 December 18921893: 14 January 1893 to 14 December 18931894: 3 January 1894 to 16 December 18941895: 17 January 1895 to 29 December 18951896: 7 February 1896 to 7 December 18961897: 10 January 1897 to 20 December 18971898: 6 January 1898 to 24 December 18981899: 1 March 1899 to 12 September 18991900: 9 January 1900 to 23 December 19001901: 1 January 1901 to 1 December 19011902: 3 February 1902 to 18 December 19021903: 4 January 1903 to 26 December 19031904: 3 January 1904 to 18 December 19041905: 15 January 1905 to 30 November 19051906: 10 January 1906 to 25 December 19061907: 9 January 1907 to 28 December 19071908: 31 January 1908 to 12 December 19081909: 20 January 1909 to 26 December 19091910: 13 January 1910 to 11 December 19101911: 12 January 1911 to 30 November 19111912: 1 January 1912 to 24 December 19121913: 7 January 1913 to 20 December 19131914: 23 January 1914 to 22 December 19141915: 13 January 1915 to 16 December 19151916: 14 January 1916 to 13 December 19161917: 12 January 1917 to 13 December 19171918: 16 January 1918 to 31 October 191818871891189518991903190719111915JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Derra meeting 10 mm (0.39 in).
First to last qualifying date each year at Derra
YearFirst dateLast date
18871887-01-191887-12-18
18881888-01-261888-12-02
18891889-01-261889-12-18
18901890-01-121890-12-23
18911891-01-111891-12-29
18921892-01-121892-12-20
18931893-01-141893-12-14
18941894-01-031894-12-16
18951895-01-171895-12-29
18961896-02-071896-12-07
18971897-01-101897-12-20
18981898-01-061898-12-24
18991899-03-011899-09-12
19001900-01-091900-12-23
19011901-01-011901-12-01
19021902-02-031902-12-18
19031903-01-041903-12-26
19041904-01-031904-12-18
19051905-01-151905-11-30
19061906-01-101906-12-25
19071907-01-091907-12-28
19081908-01-311908-12-12
19091909-01-201909-12-26
19101910-01-131910-12-11
19111911-01-121911-11-30
19121912-01-011912-12-24
19131913-01-071913-12-20
19141914-01-231914-12-22
19151915-01-131915-12-16
19161916-01-141916-12-13
19171917-01-121917-12-13
19181918-01-161918-10-31

Every Fixed Threshold

Fixed thresholds at Derra
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3227189010
25 mm (0.98 in): Days with 25 mm or more rain321018893
50 mm (1.97 in): Days with 50 mm or more rain17218871
100 mm (3.94 in): Days with 100 mm or more rain1118941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1887.

Download the Data

  • Data for Derra 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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