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

Big Tujunga Dam Fc46 Threshold Days by Year (USC00040798)

17 fixed thresholds counted per year at Big Tujunga Dam Fc46 (USC00040798): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Big Tujunga Dam Fc46 Thresholds

  • Big Tujunga Dam Fc46: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1941 with 36.
  • Big Tujunga Dam Fc46: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1983 with 20.
  • Big Tujunga Dam Fc46: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1993 with 10.
  • Big Tujunga Dam Fc46: days with 100 mm (3.94 in) or more of precipitation in 32 years, most in 1969 with 5.
  • 17 fixed thresholds have at least one qualifying day at Big Tujunga Dam Fc46.
76 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Big Tujunga Dam Fc46 Days per year at Big Tujunga Dam Fc46 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1941. 0102030401938: 221940: 191941: 361942: 111943: 241944: 191945: 171946: 191947: 41948: 91949: 101950: 101951: 141952: 261953: 51954: 181955: 131956: 111957: 161959: 81960: 131961: 61962: 101963: 171964: 131965: 231966: 81967: 221968: 71969: 221970: 181971: 111972: 71973: 181974: 141975: 111976: 161977: 141978: 281979: 191981: 131982: 191983: 331984: 111985: 101986: 191987: 141988: 141989: 91990: 101991: 141992: 261993: 261994: 131995: 221996: 201997: 131998: 251999: 92006: 152007: 92008: 112009: 132013: 72014: 112015: 92016: 122017: 132018: 162019: 272020: 102021: 112022: 62023: 222024: 192025: 191938194719551964197219811989199720142022
Days per year at Big Tujunga Dam Fc46 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Big Tujunga Dam Fc46
YearDaysDecade average
19382222
19401916.8
19413616.8
19421116.8
19432416.8
19441916.8
19451716.8
19461916.8
1947416.8
1948916.8
19491016.8
19501013.4
19511413.4
19522613.4
1953513.4
19541813.4
19551313.4
19561113.4
19571613.4
1959813.4
19601314.1
1961614.1
19621014.1
19631714.1
19641314.1
19652314.1
1966814.1
19672214.1
1968714.1
19692214.1
19701815.6
19711115.6
1972715.6
19731815.6
19741415.6
19751115.6
19761615.6
19771415.6
19782815.6
19791915.6
19811315.8
19821915.8
19833315.8
19841115.8
19851015.8
19861915.8
19871415.8
19881415.8
1989915.8
19901017.8
19911417.8
19922617.8
19932617.8
19941317.8
19952217.8
19962017.8
19971317.8
19982517.8
1999917.8
20061512
2007912
20081112
20091312
2013713.6
20141113.6
2015913.6
20161213.6
20171313.6
20181613.6
20192713.6
20201014.5
20211114.5
2022614.5
20232214.5
20241914.5
20251914.5
First to last qualifying date each year at Big Tujunga Dam Fc46 For each year, a bar from the first to the last day at Big Tujunga Dam Fc46 meeting 10 mm (0.39 in). 1938: 15 January 1938 to 21 December 19381940: 4 January 1940 to 29 December 19401941: 10 January 1941 to 29 December 19411942: 21 February 1942 to 25 December 19421943: 22 January 1943 to 29 December 19431944: 24 January 1944 to 29 December 19441945: 1 February 1945 to 23 December 19451946: 3 February 1946 to 27 December 19461947: 28 January 1947 to 5 December 19471948: 5 February 1948 to 27 December 19481949: 11 January 1949 to 19 December 19491950: 8 January 1950 to 19 November 19501951: 10 January 1951 to 30 December 19511952: 7 January 1952 to 30 December 19521953: 7 January 1953 to 14 November 19531954: 12 January 1954 to 10 December 19541955: 1 January 1955 to 21 November 19551956: 25 January 1956 to 6 December 19561957: 5 January 1957 to 17 December 19571959: 6 January 1959 to 24 December 19591960: 10 January 1960 to 2 December 19601961: 26 January 1961 to 2 December 19611962: 20 January 1962 to 6 March 19621963: 31 January 1963 to 20 November 19631964: 21 January 1964 to 27 December 19641965: 7 January 1965 to 29 December 19651966: 30 January 1966 to 6 December 19661967: 22 January 1967 to 19 December 19671968: 27 January 1968 to 25 December 19681969: 14 January 1969 to 7 November 19691970: 10 January 1970 to 21 December 19701971: 12 January 1971 to 28 December 19711972: 20 October 1972 to 7 December 19721973: 9 January 1973 to 1 December 19731974: 4 January 1974 to 28 December 19741975: 4 February 1975 to 13 December 19751976: 5 February 1976 to 31 December 19761977: 3 January 1977 to 29 December 19771978: 4 January 1978 to 19 December 19781979: 5 January 1979 to 25 December 19791981: 23 January 1981 to 28 November 19811982: 5 January 1982 to 23 December 19821983: 19 January 1983 to 26 December 19831984: 14 March 1984 to 27 December 19841985: 9 February 1985 to 3 December 19851986: 5 January 1986 to 18 November 19861987: 5 January 1987 to 29 December 19871988: 17 January 1988 to 24 December 19881989: 6 January 1989 to 23 October 19891990: 13 January 1990 to 20 November 19901991: 4 January 1991 to 30 December 19911992: 4 January 1992 to 30 December 19921993: 2 January 1993 to 14 December 19931994: 25 January 1994 to 25 December 19941995: 3 January 1995 to 23 December 19951996: 21 January 1996 to 23 December 19961997: 3 January 1997 to 18 December 19971998: 4 January 1998 to 28 November 19981999: 25 January 1999 to 11 July 19992006: 2 January 2006 to 16 December 20062007: 11 February 2007 to 30 November 20072008: 4 January 2008 to 29 September 20082009: 6 February 2009 to 13 December 20092013: 24 January 2013 to 22 November 20132014: 27 February 2014 to 17 December 20142015: 11 January 2015 to 14 December 20152016: 6 January 2016 to 24 December 20162017: 1 January 2017 to 18 February 20172018: 9 January 2018 to 7 December 20182019: 6 January 2019 to 26 December 20192020: 13 March 2020 to 29 December 20202021: 25 January 2021 to 31 December 20212022: 29 March 2022 to 28 December 20222023: 1 January 2023 to 30 December 20232024: 3 January 2024 to 15 April 20242025: 26 January 2025 to 27 December 202519381949196019701981199120072020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Big Tujunga Dam Fc46 meeting 10 mm (0.39 in).
First to last qualifying date each year at Big Tujunga Dam Fc46
YearFirst dateLast date
19381938-01-151938-12-21
19401940-01-041940-12-29
19411941-01-101941-12-29
19421942-02-211942-12-25
19431943-01-221943-12-29
19441944-01-241944-12-29
19451945-02-011945-12-23
19461946-02-031946-12-27
19471947-01-281947-12-05
19481948-02-051948-12-27
19491949-01-111949-12-19
19501950-01-081950-11-19
19511951-01-101951-12-30
19521952-01-071952-12-30
19531953-01-071953-11-14
19541954-01-121954-12-10
19551955-01-011955-11-21
19561956-01-251956-12-06
19571957-01-051957-12-17
19591959-01-061959-12-24
19601960-01-101960-12-02
19611961-01-261961-12-02
19621962-01-201962-03-06
19631963-01-311963-11-20
19641964-01-211964-12-27
19651965-01-071965-12-29
19661966-01-301966-12-06
19671967-01-221967-12-19
19681968-01-271968-12-25
19691969-01-141969-11-07
19701970-01-101970-12-21
19711971-01-121971-12-28
19721972-10-201972-12-07
19731973-01-091973-12-01
19741974-01-041974-12-28
19751975-02-041975-12-13
19761976-02-051976-12-31
19771977-01-031977-12-29
19781978-01-041978-12-19
19791979-01-051979-12-25
19811981-01-231981-11-28
19821982-01-051982-12-23
19831983-01-191983-12-26
19841984-03-141984-12-27
19851985-02-091985-12-03
19861986-01-051986-11-18
19871987-01-051987-12-29
19881988-01-171988-12-24
19891989-01-061989-10-23
19901990-01-131990-11-20
19911991-01-041991-12-30
19921992-01-041992-12-30
19931993-01-021993-12-14
19941994-01-251994-12-25
19951995-01-031995-12-23
19961996-01-211996-12-23
19971997-01-031997-12-18
19981998-01-041998-11-28
19991999-01-251999-07-11
20062006-01-022006-12-16
20072007-02-112007-11-30
20082008-01-042008-09-29
20092009-02-062009-12-13
20132013-01-242013-11-22
20142014-02-272014-12-17
20152015-01-112015-12-14
20162016-01-062016-12-24
20172017-01-012017-02-18
20182018-01-092018-12-07
20192019-01-062019-12-26
20202020-03-132020-12-29
20212021-01-252021-12-31
20222022-03-292022-12-28
20232023-01-012023-12-30
20242024-01-032024-04-15
20252025-01-262025-12-27

Every Fixed Threshold

Fixed thresholds at Big Tujunga Dam Fc46
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21302025130
35 C (95 F): Days273202450
40 C (104 F): Days22220242
45 C (113 F): Days1120241
90 F (32.2 C): Days2104202491
100 F (37.8 C): Days243202418
110 F (43.3 C): Days1320243
0 C (32 F): Frost days (min2320242
20 C (68 F): Tropical nights (min246202426
25 C (77 F): Days with min2720241
10 mm (0.39 in): Days with 10 mm or more rain7636194119
25 mm (0.98 in): Days with 25 mm or more rain7620198312
50 mm (1.97 in): Days with 50 mm or more rain651019938
100 mm (3.94 in): Days with 100 mm or more rain32519691
200 mm (7.87 in): Days with 200 mm or more rain11219431
10 cm (3.9 in): Days with 10 cm or more snowfall1119491
25 cm (9.8 in): Days with 25 cm or more snowfall1119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2024.

Download the Data

  • Data for Big Tujunga Dam Fc46 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).