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Built 2026-10-19 (19 October 2026)

Louisa 2 S Threshold Days by Year (USC00154943)

4 fixed thresholds counted per year at Louisa 2 S (USC00154943): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Louisa 2 S Thresholds

  • Louisa 2 S: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1938 with 50.
  • Louisa 2 S: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1935 with 14.
  • Louisa 2 S: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1942 with 3.
  • Louisa 2 S: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1936 with 1.
  • 4 fixed thresholds have at least one qualifying day at Louisa 2 S.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Louisa 2 S Days per year at Louisa 2 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1938. 02040601894: 281895: 311896: 441913: 371914: 371915: 371916: 361917: 371918: 271923: 481924: 401925: 431926: 461928: 351929: 461930: 161932: 311933: 321934: 331935: 471936: 321937: 421938: 501939: 331940: 231941: 261942: 481943: 251944: 301945: 441946: 351948: 421949: 32189419141918192619321936194019441949
Days per year at Louisa 2 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1938.
Days with 10 mm (0.39 in) or more of precipitation per year at Louisa 2 S
YearDaysDecade average
18942834.3
18953134.3
18964434.3
19133735.2
19143735.2
19153735.2
19163635.2
19173735.2
19182735.2
19234843
19244043
19254343
19264643
19283543
19294643
19301635.1
19323135.1
19333235.1
19343335.1
19354735.1
19363235.1
19374235.1
19385035.1
19393335.1
19402333.9
19412633.9
19424833.9
19432533.9
19443033.9
19454433.9
19463533.9
19484233.9
19493233.9
First to last qualifying date each year at Louisa 2 S For each year, a bar from the first to the last day at Louisa 2 S meeting 10 mm (0.39 in). 1894: 5 January 1894 to 27 December 18941895: 6 January 1895 to 27 December 18951896: 24 January 1896 to 9 December 18961913: 7 January 1913 to 26 December 19131914: 3 January 1914 to 29 December 19141915: 7 January 1915 to 29 December 19151916: 7 January 1916 to 28 December 19161917: 3 January 1917 to 25 December 19171918: 15 January 1918 to 22 December 19181923: 21 January 1923 to 31 December 19231924: 3 January 1924 to 24 December 19241925: 12 January 1925 to 5 December 19251926: 20 January 1926 to 29 December 19261928: 19 January 1928 to 1 December 19281929: 10 January 1929 to 28 December 19291930: 3 January 1930 to 6 December 19301932: 6 January 1932 to 31 December 19321933: 9 January 1933 to 26 December 19331934: 7 January 1934 to 26 December 19341935: 17 January 1935 to 13 December 19351936: 2 January 1936 to 31 December 19361937: 2 January 1937 to 18 December 19371938: 7 January 1938 to 27 December 19381939: 5 January 1939 to 27 December 19391940: 19 January 1940 to 27 November 19401941: 16 January 1941 to 13 December 19411942: 2 January 1942 to 31 December 19421943: 27 January 1943 to 16 November 19431944: 3 January 1944 to 28 December 19441945: 1 January 1945 to 6 December 19451946: 7 January 1946 to 29 December 19461948: 2 January 1948 to 29 December 19481949: 4 January 1949 to 13 December 19491894191519241930193619411946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Louisa 2 S meeting 10 mm (0.39 in).
First to last qualifying date each year at Louisa 2 S
YearFirst dateLast date
18941894-01-051894-12-27
18951895-01-061895-12-27
18961896-01-241896-12-09
19131913-01-071913-12-26
19141914-01-031914-12-29
19151915-01-071915-12-29
19161916-01-071916-12-28
19171917-01-031917-12-25
19181918-01-151918-12-22
19231923-01-211923-12-31
19241924-01-031924-12-24
19251925-01-121925-12-05
19261926-01-201926-12-29
19281928-01-191928-12-01
19291929-01-101929-12-28
19301930-01-031930-12-06
19321932-01-061932-12-31
19331933-01-091933-12-26
19341934-01-071934-12-26
19351935-01-171935-12-13
19361936-01-021936-12-31
19371937-01-021937-12-18
19381938-01-071938-12-27
19391939-01-051939-12-27
19401940-01-191940-11-27
19411941-01-161941-12-13
19421942-01-021942-12-31
19431943-01-271943-11-16
19441944-01-031944-12-28
19451945-01-011945-12-06
19461946-01-071946-12-29
19481948-01-021948-12-29
19491949-01-041949-12-13

Every Fixed Threshold

Fixed thresholds at Louisa 2 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3350193832
25 mm (0.98 in): Days with 25 mm or more rain331419358
50 mm (1.97 in): Days with 50 mm or more rain23319421
100 mm (3.94 in): Days with 100 mm or more rain1119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Louisa 2 S 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).