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Built 2026-10-19 (19 October 2026)

Colton (Boola Boola) Threshold Days by Year (ASN00018016)

3 fixed thresholds counted per year at Colton (Boola Boola) (ASN00018016): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Colton (Boola Boola) Thresholds

  • Colton (Boola Boola): days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1920 with 18.
  • Colton (Boola Boola): days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1901 with 5.
  • Colton (Boola Boola): days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1900 with 1.
  • 3 fixed thresholds have at least one qualifying day at Colton (Boola Boola).
58 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Colton (Boola Boola) Days per year at Colton (Boola Boola) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1920. 051015201893: 111894: 121895: 101896: 141897: 101898: 71899: 91900: 91901: 141902: 61904: 71905: 101906: 101907: 71908: 81909: 81910: 121911: 81912: 151913: 41914: 81915: 81916: 141917: 131918: 81919: 31920: 181921: 81922: 101923: 111924: 101925: 81926: 171927: 61928: 71929: 81930: 21931: 131932: 141933: 101934: 41935: 101936: 61937: 91938: 101939: 121940: 121941: 71942: 131943: 121944: 51950: 71952: 91953: 81954: 91955: 81956: 161964: 111893189919061912191819241930193619421954
Days per year at Colton (Boola Boola) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1920.
Days with 10 mm (0.39 in) or more of precipitation per year at Colton (Boola Boola)
YearDaysDecade average
18931110.4
18941210.4
18951010.4
18961410.4
18971010.4
1898710.4
1899910.4
190098.8
1901148.8
190268.8
190478.8
1905108.8
1906108.8
190778.8
190888.8
190988.8
1910129.3
191189.3
1912159.3
191349.3
191489.3
191589.3
1916149.3
1917139.3
191889.3
191939.3
19201810.3
1921810.3
19221010.3
19231110.3
19241010.3
1925810.3
19261710.3
1927610.3
1928710.3
1929810.3
193029
1931139
1932149
1933109
193449
1935109
193669
193799
1938109
1939129
1940129.8
194179.8
1942139.8
1943129.8
194459.8
195079.5
195299.5
195389.5
195499.5
195589.5
1956169.5
19641111
First to last qualifying date each year at Colton (Boola Boola) For each year, a bar from the first to the last day at Colton (Boola Boola) meeting 10 mm (0.39 in). 1893: 21 April 1893 to 24 September 18931894: 19 April 1894 to 5 October 18941895: 3 January 1895 to 25 August 18951896: 18 January 1896 to 27 December 18961897: 28 February 1897 to 30 August 18971898: 4 April 1898 to 7 October 18981899: 17 May 1899 to 10 September 18991900: 27 March 1900 to 11 September 19001901: 26 February 1901 to 12 November 19011902: 26 March 1902 to 17 December 19021904: 11 June 1904 to 30 August 19041905: 8 April 1905 to 22 October 19051906: 22 June 1906 to 19 November 19061907: 6 April 1907 to 22 November 19071908: 3 March 1908 to 1 September 19081909: 24 February 1909 to 1 September 19091910: 18 May 1910 to 4 November 19101911: 9 May 1911 to 28 September 19111912: 9 March 1912 to 14 November 19121913: 25 March 1913 to 23 December 19131914: 12 March 1914 to 2 December 19141915: 23 June 1915 to 23 August 19151916: 5 January 1916 to 11 November 19161917: 30 January 1917 to 3 August 19171918: 5 March 1918 to 7 October 19181919: 16 February 1919 to 26 June 19191920: 30 April 1920 to 11 October 19201921: 1 June 1921 to 25 November 19211922: 6 January 1922 to 9 December 19221923: 5 May 1923 to 14 December 19231924: 19 February 1924 to 14 December 19241925: 24 May 1925 to 29 August 19251926: 21 March 1926 to 5 December 19261927: 24 February 1927 to 1 August 19271928: 12 February 1928 to 14 October 19281929: 4 June 1929 to 27 December 19291930: 2 July 1930 to 18 October 19301931: 28 April 1931 to 16 November 19311932: 5 February 1932 to 12 October 19321933: 29 March 1933 to 31 August 19331934: 3 April 1934 to 7 November 19341935: 30 March 1935 to 24 December 19351936: 31 May 1936 to 14 November 19361937: 20 February 1937 to 1 September 19371938: 19 February 1938 to 28 June 19381939: 23 January 1939 to 1 November 19391940: 5 January 1940 to 21 November 19401941: 24 January 1941 to 18 November 19411942: 21 May 1942 to 21 November 19421943: 17 February 1943 to 23 October 19431944: 7 April 1944 to 30 September 19441950: 1 June 1950 to 19 December 19501952: 22 April 1952 to 26 November 19521953: 10 June 1953 to 14 August 19531954: 14 April 1954 to 11 December 19541955: 22 March 1955 to 5 November 19551956: 15 April 1956 to 13 December 19561964: 29 April 1964 to 18 November 196418931901191019181926193419421956JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Colton (Boola Boola) meeting 10 mm (0.39 in).
First to last qualifying date each year at Colton (Boola Boola)
YearFirst dateLast date
18931893-04-211893-09-24
18941894-04-191894-10-05
18951895-01-031895-08-25
18961896-01-181896-12-27
18971897-02-281897-08-30
18981898-04-041898-10-07
18991899-05-171899-09-10
19001900-03-271900-09-11
19011901-02-261901-11-12
19021902-03-261902-12-17
19041904-06-111904-08-30
19051905-04-081905-10-22
19061906-06-221906-11-19
19071907-04-061907-11-22
19081908-03-031908-09-01
19091909-02-241909-09-01
19101910-05-181910-11-04
19111911-05-091911-09-28
19121912-03-091912-11-14
19131913-03-251913-12-23
19141914-03-121914-12-02
19151915-06-231915-08-23
19161916-01-051916-11-11
19171917-01-301917-08-03
19181918-03-051918-10-07
19191919-02-161919-06-26
19201920-04-301920-10-11
19211921-06-011921-11-25
19221922-01-061922-12-09
19231923-05-051923-12-14
19241924-02-191924-12-14
19251925-05-241925-08-29
19261926-03-211926-12-05
19271927-02-241927-08-01
19281928-02-121928-10-14
19291929-06-041929-12-27
19301930-07-021930-10-18
19311931-04-281931-11-16
19321932-02-051932-10-12
19331933-03-291933-08-31
19341934-04-031934-11-07
19351935-03-301935-12-24
19361936-05-311936-11-14
19371937-02-201937-09-01
19381938-02-191938-06-28
19391939-01-231939-11-01
19401940-01-051940-11-21
19411941-01-241941-11-18
19421942-05-211942-11-21
19431943-02-171943-10-23
19441944-04-071944-09-30
19501950-06-011950-12-19
19521952-04-221952-11-26
19531953-06-101953-08-14
19541954-04-141954-12-11
19551955-03-221955-11-05
19561956-04-151956-12-13
19641964-04-291964-11-18

Every Fixed Threshold

Fixed thresholds at Colton (Boola Boola)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5818192011
25 mm (0.98 in): Days with 25 mm or more rain43519013
50 mm (1.97 in): Days with 50 mm or more rain4119001

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Colton (Boola Boola) 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).