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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Boulevard Threshold Days by Year

4 fixed thresholds counted per year at Boulevard (USC00041009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boulevard Thresholds

  • Boulevard: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1941 with 25.
  • Boulevard: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1938 with 7.
  • Boulevard: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1936 with 2.
  • Boulevard: 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 Boulevard.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Boulevard Days per year at Boulevard with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941. 01020301928: 41931: 101934: 51936: 191938: 181939: 121941: 251942: 51946: 131947: 61948: 81949: 121950: 51951: 151952: 161953: 51954: 141955: 141956: 41958: 161959: 111960: 91961: 51963: 101964: 81965: 131966: 9192819361941194719501953195619601964
Days per year at Boulevard with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Boulevard
YearDaysDecade average
192844
19311012.8
1934512.8
19361912.8
19381812.8
19391212.8
19412511.5
1942511.5
19461311.5
1947611.5
1948811.5
19491211.5
1950511.1
19511511.1
19521611.1
1953511.1
19541411.1
19551411.1
1956411.1
19581611.1
19591111.1
196099
196159
1963109
196489
1965139
196699
First to last qualifying date each year at Boulevard For each year, a bar from the first to the last day at Boulevard meeting 10 mm (0.39 in). 1928: 16 January 1928 to 16 February 19281931: 5 January 1931 to 9 December 19311934: 23 February 1934 to 13 December 19341936: 29 January 1936 to 31 December 19361938: 20 January 1938 to 22 December 19381939: 7 January 1939 to 30 December 19391941: 28 January 1941 to 31 December 19411942: 15 February 1942 to 24 December 19421946: 5 January 1946 to 27 December 19461947: 29 January 1947 to 6 December 19471948: 6 February 1948 to 27 December 19481949: 10 January 1949 to 20 December 19491950: 12 January 1950 to 26 March 19501951: 11 January 1951 to 31 December 19511952: 7 January 1952 to 31 December 19521953: 7 January 1953 to 26 August 19531954: 12 January 1954 to 10 December 19541955: 8 January 1955 to 2 December 19551956: 1 February 1956 to 14 April 19561958: 27 January 1958 to 16 November 19581959: 6 January 1959 to 25 December 19591960: 10 January 1960 to 27 November 19601961: 27 January 1961 to 15 December 19611963: 9 February 1963 to 21 November 19631964: 22 January 1964 to 28 December 19641965: 6 February 1965 to 30 December 19651966: 23 January 1966 to 7 December 19661928193819461950195419591964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boulevard meeting 10 mm (0.39 in).
First to last qualifying date each year at Boulevard
YearFirst dateLast date
19281928-01-161928-02-16
19311931-01-051931-12-09
19341934-02-231934-12-13
19361936-01-291936-12-31
19381938-01-201938-12-22
19391939-01-071939-12-30
19411941-01-281941-12-31
19421942-02-151942-12-24
19461946-01-051946-12-27
19471947-01-291947-12-06
19481948-02-061948-12-27
19491949-01-101949-12-20
19501950-01-121950-03-26
19511951-01-111951-12-31
19521952-01-071952-12-31
19531953-01-071953-08-26
19541954-01-121954-12-10
19551955-01-081955-12-02
19561956-02-011956-04-14
19581958-01-271958-11-16
19591959-01-061959-12-25
19601960-01-101960-11-27
19611961-01-271961-12-15
19631963-02-091963-11-21
19641964-01-221964-12-28
19651965-02-061965-12-30
19661966-01-231966-12-07

Every Fixed Threshold

Fixed thresholds at Boulevard
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain272519419
25 mm (0.98 in): Days with 25 mm or more rain21719385
50 mm (1.97 in): Days with 50 mm or more rain7219361
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 1928.

Download the Data

  • Data for Boulevard 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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