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

Lottah Threshold Days by Year (ASN00092022)

5 fixed thresholds counted per year at Lottah (ASN00092022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lottah Thresholds

  • Lottah: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1947 with 69.
  • Lottah: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1929 with 30.
  • Lottah: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1934 with 11.
  • Lottah: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1929 with 5.
  • 5 fixed thresholds have at least one qualifying day at Lottah.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lottah Days per year at Lottah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1947. 0204060801908: 211909: 461910: 561911: 371912: 411913: 321914: 281915: 441916: 641918: 441919: 441920: 561921: 441922: 421923: 541924: 611925: 481926: 451927: 491928: 641929: 641930: 471931: 551932: 551933: 451934: 621935: 561943: 481944: 431945: 441946: 641947: 691948: 451949: 471950: 44190819121916192119251929193319441948
Days per year at Lottah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Lottah
YearDaysDecade average
19082133.5
19094633.5
19105643.3
19113743.3
19124143.3
19133243.3
19142843.3
19154443.3
19166443.3
19184443.3
19194443.3
19205652.7
19214452.7
19224252.7
19235452.7
19246152.7
19254852.7
19264552.7
19274952.7
19286452.7
19296452.7
19304753.3
19315553.3
19325553.3
19334553.3
19346253.3
19355653.3
19434851.4
19444351.4
19454451.4
19466451.4
19476951.4
19484551.4
19494751.4
19504444
First to last qualifying date each year at Lottah For each year, a bar from the first to the last day at Lottah meeting 10 mm (0.39 in). 1908: 31 January 1908 to 22 December 19081909: 3 January 1909 to 21 December 19091910: 14 January 1910 to 23 December 19101911: 11 February 1911 to 31 December 19111912: 2 January 1912 to 23 December 19121913: 30 January 1913 to 24 December 19131914: 12 January 1914 to 27 December 19141915: 7 January 1915 to 24 December 19151916: 29 January 1916 to 30 December 19161918: 11 January 1918 to 3 December 19181919: 7 January 1919 to 5 December 19191920: 3 January 1920 to 16 December 19201921: 2 January 1921 to 30 December 19211922: 4 January 1922 to 28 December 19221923: 22 January 1923 to 26 December 19231924: 4 January 1924 to 2 December 19241925: 8 January 1925 to 26 December 19251926: 17 February 1926 to 22 December 19261927: 1 January 1927 to 19 December 19271928: 21 January 1928 to 23 December 19281929: 26 January 1929 to 28 December 19291930: 11 January 1930 to 25 December 19301931: 11 January 1931 to 20 November 19311932: 10 January 1932 to 7 December 19321933: 5 January 1933 to 15 December 19331934: 8 January 1934 to 29 December 19341935: 3 January 1935 to 21 December 19351943: 2 January 1943 to 27 December 19431944: 4 January 1944 to 10 December 19441945: 15 January 1945 to 28 December 19451946: 4 January 1946 to 17 December 19461947: 17 January 1947 to 21 December 19471948: 13 January 1948 to 18 December 19481949: 2 January 1949 to 20 December 19491950: 9 January 1950 to 31 December 19501908191319191924192919341946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lottah meeting 10 mm (0.39 in).
First to last qualifying date each year at Lottah
YearFirst dateLast date
19081908-01-311908-12-22
19091909-01-031909-12-21
19101910-01-141910-12-23
19111911-02-111911-12-31
19121912-01-021912-12-23
19131913-01-301913-12-24
19141914-01-121914-12-27
19151915-01-071915-12-24
19161916-01-291916-12-30
19181918-01-111918-12-03
19191919-01-071919-12-05
19201920-01-031920-12-16
19211921-01-021921-12-30
19221922-01-041922-12-28
19231923-01-221923-12-26
19241924-01-041924-12-02
19251925-01-081925-12-26
19261926-02-171926-12-22
19271927-01-011927-12-19
19281928-01-211928-12-23
19291929-01-261929-12-28
19301930-01-111930-12-25
19311931-01-111931-11-20
19321932-01-101932-12-07
19331933-01-051933-12-15
19341934-01-081934-12-29
19351935-01-031935-12-21
19431943-01-021943-12-27
19441944-01-041944-12-10
19451945-01-151945-12-28
19461946-01-041946-12-17
19471947-01-171947-12-21
19481948-01-131948-12-18
19491949-01-021949-12-20
19501950-01-091950-12-31

Every Fixed Threshold

Fixed thresholds at Lottah
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3569194744
25 mm (0.98 in): Days with 25 mm or more rain3530192914
50 mm (1.97 in): Days with 50 mm or more rain351119345
100 mm (3.94 in): Days with 100 mm or more rain20519291
200 mm (7.87 in): Days with 200 mm or more rain4219291

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

  • Data for Lottah 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).