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

Booval Threshold Days by Year

4 fixed thresholds counted per year at Booval (ASN00040333): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Booval Thresholds

  • Booval: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1904 with 35.
  • Booval: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1901 with 14.
  • Booval: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1916 with 6.
  • Booval: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1916 with 2.
  • 4 fixed thresholds have at least one qualifying day at Booval.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Booval Days per year at Booval with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1904. 0102030401900: 211901: 311902: 91904: 351905: 221906: 271907: 251908: 291909: 301910: 251911: 241912: 261913: 231914: 281915: 151916: 291917: 261918: 131919: 61920: 221921: 341922: 171923: 141924: 301925: 291926: 151927: 281928: 291900190419071910191319161919192219251928
Days per year at Booval with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1904.
Days with 10 mm (0.39 in) or more of precipitation per year at Booval
YearDaysDecade average
19002125.4
19013125.4
1902925.4
19043525.4
19052225.4
19062725.4
19072525.4
19082925.4
19093025.4
19102521.5
19112421.5
19122621.5
19132321.5
19142821.5
19151521.5
19162921.5
19172621.5
19181321.5
1919621.5
19202224.2
19213424.2
19221724.2
19231424.2
19243024.2
19252924.2
19261524.2
19272824.2
19282924.2
First to last qualifying date each year at Booval For each year, a bar from the first to the last day at Booval meeting 10 mm (0.39 in). 1900: 7 January 1900 to 17 November 19001901: 14 January 1901 to 17 November 19011902: 27 January 1902 to 11 December 19021904: 21 January 1904 to 19 December 19041905: 14 January 1905 to 28 December 19051906: 1 January 1906 to 24 December 19061907: 3 January 1907 to 29 December 19071908: 8 January 1908 to 28 December 19081909: 17 January 1909 to 29 December 19091910: 9 January 1910 to 18 December 19101911: 11 January 1911 to 25 October 19111912: 6 January 1912 to 31 December 19121913: 5 January 1913 to 27 December 19131914: 11 January 1914 to 30 December 19141915: 1 January 1915 to 17 December 19151916: 17 January 1916 to 14 December 19161917: 6 January 1917 to 13 December 19171918: 11 January 1918 to 17 December 19181919: 3 March 1919 to 26 August 19191920: 4 January 1920 to 9 December 19201921: 6 January 1921 to 31 December 19211922: 1 January 1922 to 18 December 19221923: 26 January 1923 to 27 December 19231924: 7 January 1924 to 17 December 19241925: 8 January 1925 to 31 December 19251926: 4 January 1926 to 31 December 19261927: 2 February 1927 to 26 December 19271928: 8 January 1928 to 31 December 19281900190519091913191719211925JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Booval meeting 10 mm (0.39 in).
First to last qualifying date each year at Booval
YearFirst dateLast date
19001900-01-071900-11-17
19011901-01-141901-11-17
19021902-01-271902-12-11
19041904-01-211904-12-19
19051905-01-141905-12-28
19061906-01-011906-12-24
19071907-01-031907-12-29
19081908-01-081908-12-28
19091909-01-171909-12-29
19101910-01-091910-12-18
19111911-01-111911-10-25
19121912-01-061912-12-31
19131913-01-051913-12-27
19141914-01-111914-12-30
19151915-01-011915-12-17
19161916-01-171916-12-14
19171917-01-061917-12-13
19181918-01-111918-12-17
19191919-03-031919-08-26
19201920-01-041920-12-09
19211921-01-061921-12-31
19221922-01-011922-12-18
19231923-01-261923-12-27
19241924-01-071924-12-17
19251925-01-081925-12-31
19261926-01-041926-12-31
19271927-02-021927-12-26
19281928-01-081928-12-31

Every Fixed Threshold

Fixed thresholds at Booval
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2835190429
25 mm (0.98 in): Days with 25 mm or more rain2814190111
50 mm (1.97 in): Days with 50 mm or more rain23619162
100 mm (3.94 in): Days with 100 mm or more rain8219161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Booval 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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