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

Violet Valley Threshold Days by Year

5 fixed thresholds counted per year at Violet Valley (ASN00002037): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Violet Valley Thresholds

  • Violet Valley: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1917 with 30.
  • Violet Valley: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1926 with 12.
  • Violet Valley: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1914 with 5.
  • Violet Valley: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1914 with 3.
  • 5 fixed thresholds have at least one qualifying day at Violet Valley.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Violet Valley Days per year at Violet Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1917. 01020301913: 171914: 271915: 221916: 231917: 301918: 181919: 101920: 171921: 191922: 221923: 251924: 111925: 191926: 261927: 191928: 111929: 121930: 211931: 211938: 111939: 201940: 1319131916191919221925192819311940
Days per year at Violet Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Violet Valley
YearDaysDecade average
19131721
19142721
19152221
19162321
19173021
19181821
19191021
19201718.1
19211918.1
19222218.1
19232518.1
19241118.1
19251918.1
19262618.1
19271918.1
19281118.1
19291218.1
19302118.3
19312118.3
19381118.3
19392018.3
19401313
First to last qualifying date each year at Violet Valley For each year, a bar from the first to the last day at Violet Valley meeting 10 mm (0.39 in). 1913: 4 January 1913 to 9 December 19131914: 2 January 1914 to 27 December 19141915: 8 January 1915 to 15 December 19151916: 7 January 1916 to 30 December 19161917: 4 January 1917 to 31 December 19171918: 3 January 1918 to 26 December 19181919: 19 January 1919 to 27 December 19191920: 14 January 1920 to 24 December 19201921: 4 February 1921 to 25 December 19211922: 3 January 1922 to 25 December 19221923: 3 January 1923 to 26 December 19231924: 5 January 1924 to 8 December 19241925: 7 January 1925 to 29 December 19251926: 8 January 1926 to 23 December 19261927: 4 January 1927 to 2 November 19271928: 15 January 1928 to 26 December 19281929: 18 January 1929 to 30 October 19291930: 9 January 1930 to 22 December 19301931: 14 January 1931 to 24 December 19311938: 5 January 1938 to 2 July 19381939: 3 January 1939 to 31 December 19391940: 6 January 1940 to 25 December 194019131916191919221925192819311940JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Violet Valley meeting 10 mm (0.39 in).
First to last qualifying date each year at Violet Valley
YearFirst dateLast date
19131913-01-041913-12-09
19141914-01-021914-12-27
19151915-01-081915-12-15
19161916-01-071916-12-30
19171917-01-041917-12-31
19181918-01-031918-12-26
19191919-01-191919-12-27
19201920-01-141920-12-24
19211921-02-041921-12-25
19221922-01-031922-12-25
19231923-01-031923-12-26
19241924-01-051924-12-08
19251925-01-071925-12-29
19261926-01-081926-12-23
19271927-01-041927-11-02
19281928-01-151928-12-26
19291929-01-181929-10-30
19301930-01-091930-12-22
19311931-01-141931-12-24
19381938-01-051938-07-02
19391939-01-031939-12-31
19401940-01-061940-12-25

Every Fixed Threshold

Fixed thresholds at Violet Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2230191713
25 mm (0.98 in): Days with 25 mm or more rain221219263
50 mm (1.97 in): Days with 50 mm or more rain20519142
100 mm (3.94 in): Days with 100 mm or more rain6319141
200 mm (7.87 in): Days with 200 mm or more rain1119221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

  • Data for Violet Valley 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).