Built 2026-10-19 (19 October 2026)

La Ctr Threshold Days by Year (USC00454328)

14 fixed thresholds counted per year at La Ctr (USC00454328): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Ctr Thresholds

  • La Ctr: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1935 with 38.
  • La Ctr: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1935 with 29.
  • La Ctr: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1913 with 142.
  • La Ctr: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1902 with 63.
  • 14 fixed thresholds have at least one qualifying day at La Ctr.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at La Ctr Days per year at La Ctr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1935. 0102030401897: 241898: 261899: 151900: 91901: 211902: 191903: 61904: 371905: 171906: 271907: 151909: 141911: 171912: 121913: 91914: 111915: 131916: 101917: 171918: 191919: 131920: 151921: 21922: 131927: 221929: 201932: 281933: 141934: 271935: 381897190019031906191119141917192019271933
Days per year at La Ctr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1935.
Days at or above 30 C (86 F) per year at La Ctr
YearDaysDecade average
18972421.7
18982621.7
18991521.7
1900918.3
19012118.3
19021918.3
1903618.3
19043718.3
19051718.3
19062718.3
19071518.3
19091418.3
19111713.4
19121213.4
1913913.4
19141113.4
19151313.4
19161013.4
19171713.4
19181913.4
19191313.4
19201514.4
1921214.4
19221314.4
19272214.4
19292014.4
19322826.8
19331426.8
19342726.8
19353826.8
First to last qualifying date each year at La Ctr For each year, a bar from the first to the last day at La Ctr meeting 30 C (86 F). 1897: 17 April 1897 to 22 August 18971898: 25 May 1898 to 7 September 18981899: 1 July 1899 to 26 September 18991900: 12 June 1900 to 12 September 19001901: 25 May 1901 to 18 September 19011902: 26 May 1902 to 10 September 19021903: 6 June 1903 to 17 August 19031904: 12 April 1904 to 17 September 19041905: 6 July 1905 to 1 September 19051906: 20 April 1906 to 29 August 19061907: 29 May 1907 to 23 September 19071909: 10 June 1909 to 15 September 19091911: 5 July 1911 to 27 August 19111912: 12 May 1912 to 14 September 19121913: 1 June 1913 to 21 August 19131914: 14 June 1914 to 13 August 19141915: 29 June 1915 to 29 August 19151916: 13 June 1916 to 25 August 19161917: 13 June 1917 to 25 August 19171918: 5 June 1918 to 16 September 19181919: 8 July 1919 to 24 August 19191920: 6 July 1920 to 2 September 19201921: 6 August 1921 to 7 August 19211922: 30 May 1922 to 12 September 19221927: 20 June 1927 to 18 August 19271929: 23 June 1929 to 12 September 19291932: 9 June 1932 to 4 October 19321933: 13 June 1933 to 26 August 19331934: 19 April 1934 to 10 October 19341935: 4 June 1935 to 29 September 193518971901190519111915191919271934JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Ctr meeting 30 C (86 F).
First to last qualifying date each year at La Ctr
YearFirst dateLast date
18971897-04-171897-08-22
18981898-05-251898-09-07
18991899-07-011899-09-26
19001900-06-121900-09-12
19011901-05-251901-09-18
19021902-05-261902-09-10
19031903-06-061903-08-17
19041904-04-121904-09-17
19051905-07-061905-09-01
19061906-04-201906-08-29
19071907-05-291907-09-23
19091909-06-101909-09-15
19111911-07-051911-08-27
19121912-05-121912-09-14
19131913-06-011913-08-21
19141914-06-141914-08-13
19151915-06-291915-08-29
19161916-06-131916-08-25
19171917-06-131917-08-25
19181918-06-051918-09-16
19191919-07-081919-08-24
19201920-07-061920-09-02
19211921-08-061921-08-07
19221922-05-301922-09-12
19271927-06-201927-08-18
19291929-06-231929-09-12
19321932-06-091932-10-04
19331933-06-131933-08-26
19341934-04-191934-10-10
19351935-06-041935-09-29

Every Fixed Threshold

Fixed thresholds at La Ctr
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3038193538
35 C (95 F): Days2215193515
40 C (104 F): Days2219352
90 F (32.2 C): Days3029193529
100 F (37.8 C): Days5419354
0 C (32 F): Ice days (max241319163
0 C (32 F): Frost days (min28142191389
-10 C (14 F): Days with min171119092
-20 C (-4 F): Days with min2319193
20 C (68 F): Tropical nights (min2219131
10 mm (0.39 in): Days with 10 mm or more rain2763190241
25 mm (0.98 in): Days with 25 mm or more rain2713190211
50 mm (1.97 in): Days with 50 mm or more rain12219062
10 cm (3.9 in): Days with 10 cm or more snowfall3319021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for La Ctr 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).