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Built 2026-10-17 (17 October 2026)

San Dimas Fire Fc 95 Threshold Days by Year

4 fixed thresholds counted per year at San Dimas Fire Fc 95 (USC00047749): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Dimas Fire Fc 95 Thresholds

  • San Dimas Fire Fc 95: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1978 with 32.
  • San Dimas Fire Fc 95: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1978 with 15.
  • San Dimas Fire Fc 95: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1978 with 6.
  • San Dimas Fire Fc 95: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1956 with 1.
  • 4 fixed thresholds have at least one qualifying day at San Dimas Fire Fc 95.
56 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at San Dimas Fire Fc 95 Days per year at San Dimas Fire Fc 95 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1978. 0102030401949: 121950: 101951: 141952: 231953: 71954: 151955: 131956: 91957: 221958: 161959: 81960: 111961: 51962: 121963: 121964: 101965: 211966: 91967: 161968: 71969: 201970: 141971: 111972: 71973: 161974: 121975: 91976: 141977: 171978: 321979: 151981: 121982: 171983: 291984: 81985: 121986: 171988: 121989: 101990: 91991: 141992: 191993: 201994: 131995: 181996: 121997: 61998: 191999: 62004: 142005: 72006: 92007: 62008: 132009: 112010: 171949195519611967197319791986199319992009
Days per year at San Dimas Fire Fc 95 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at San Dimas Fire Fc 95
YearDaysDecade average
19491212
19501013.7
19511413.7
19522313.7
1953713.7
19541513.7
19551313.7
1956913.7
19572213.7
19581613.7
1959813.7
19601112.3
1961512.3
19621212.3
19631212.3
19641012.3
19652112.3
1966912.3
19671612.3
1968712.3
19692012.3
19701414.7
19711114.7
1972714.7
19731614.7
19741214.7
1975914.7
19761414.7
19771714.7
19783214.7
19791514.7
19811214.6
19821714.6
19832914.6
1984814.6
19851214.6
19861714.6
19881214.6
19891014.6
1990913.6
19911413.6
19921913.6
19932013.6
19941313.6
19951813.6
19961213.6
1997613.6
19981913.6
1999613.6
20041410
2005710
2006910
2007610
20081310
20091110
20101717
First to last qualifying date each year at San Dimas Fire Fc 95 For each year, a bar from the first to the last day at San Dimas Fire Fc 95 meeting 10 mm (0.39 in). 1949: 13 January 1949 to 19 December 19491950: 9 January 1950 to 19 November 19501951: 11 January 1951 to 30 December 19511952: 7 January 1952 to 28 December 19521953: 7 January 1953 to 4 December 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 19571958: 26 January 1958 to 16 August 19581959: 6 January 1959 to 25 December 19591960: 11 January 1960 to 27 November 19601961: 26 January 1961 to 2 December 19611962: 21 January 1962 to 15 May 19621963: 1 February 1963 to 20 November 19631964: 21 January 1964 to 28 December 19641965: 24 January 1965 to 30 December 19651966: 30 January 1966 to 7 December 19661967: 23 January 1967 to 20 December 19671968: 27 January 1968 to 26 December 19681969: 14 January 1969 to 7 November 19691970: 17 January 1970 to 22 December 19701971: 13 January 1971 to 28 December 19711972: 19 October 1972 to 7 December 19721973: 17 January 1973 to 23 November 19731974: 5 January 1974 to 29 December 19741975: 3 February 1975 to 9 April 19751976: 5 February 1976 to 31 December 19761977: 3 January 1977 to 29 December 19771978: 5 January 1978 to 19 December 19781979: 5 January 1979 to 21 October 19791981: 28 January 1981 to 29 November 19811982: 1 January 1982 to 23 December 19821983: 20 January 1983 to 26 December 19831984: 8 November 1984 to 27 December 19841985: 8 January 1985 to 3 December 19851986: 30 January 1986 to 6 December 19861988: 17 January 1988 to 25 December 19881989: 6 January 1989 to 26 November 19891990: 2 January 1990 to 29 May 19901991: 4 January 1991 to 30 December 19911992: 4 January 1992 to 30 December 19921993: 2 January 1993 to 15 December 19931994: 25 January 1994 to 25 December 19941995: 4 January 1995 to 13 December 19951996: 17 January 1996 to 31 October 19961997: 13 January 1997 to 6 December 19971998: 4 January 1998 to 8 November 19981999: 25 January 1999 to 26 March 19992004: 3 February 2004 to 31 December 20042005: 4 January 2005 to 6 May 20052006: 5 January 2006 to 17 December 20062007: 11 February 2007 to 20 December 20072008: 6 January 2008 to 25 December 20082009: 6 February 2009 to 14 December 20092010: 18 January 2010 to 30 December 201019491956196319701977198519932004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Dimas Fire Fc 95 meeting 10 mm (0.39 in).
First to last qualifying date each year at San Dimas Fire Fc 95
YearFirst dateLast date
19491949-01-131949-12-19
19501950-01-091950-11-19
19511951-01-111951-12-30
19521952-01-071952-12-28
19531953-01-071953-12-04
19541954-01-121954-12-10
19551955-01-011955-11-21
19561956-01-251956-12-06
19571957-01-051957-12-17
19581958-01-261958-08-16
19591959-01-061959-12-25
19601960-01-111960-11-27
19611961-01-261961-12-02
19621962-01-211962-05-15
19631963-02-011963-11-20
19641964-01-211964-12-28
19651965-01-241965-12-30
19661966-01-301966-12-07
19671967-01-231967-12-20
19681968-01-271968-12-26
19691969-01-141969-11-07
19701970-01-171970-12-22
19711971-01-131971-12-28
19721972-10-191972-12-07
19731973-01-171973-11-23
19741974-01-051974-12-29
19751975-02-031975-04-09
19761976-02-051976-12-31
19771977-01-031977-12-29
19781978-01-051978-12-19
19791979-01-051979-10-21
19811981-01-281981-11-29
19821982-01-011982-12-23
19831983-01-201983-12-26
19841984-11-081984-12-27
19851985-01-081985-12-03
19861986-01-301986-12-06
19881988-01-171988-12-25
19891989-01-061989-11-26
19901990-01-021990-05-29
19911991-01-041991-12-30
19921992-01-041992-12-30
19931993-01-021993-12-15
19941994-01-251994-12-25
19951995-01-041995-12-13
19961996-01-171996-10-31
19971997-01-131997-12-06
19981998-01-041998-11-08
19991999-01-251999-03-26
20042004-02-032004-12-31
20052005-01-042005-05-06
20062006-01-052006-12-17
20072007-02-112007-12-20
20082008-01-062008-12-25
20092009-02-062009-12-14
20102010-01-182010-12-30

Every Fixed Threshold

Fixed thresholds at San Dimas Fire Fc 95
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5632197817
25 mm (0.98 in): Days with 25 mm or more rain541519788
50 mm (1.97 in): Days with 50 mm or more rain41619785
100 mm (3.94 in): Days with 100 mm or more rain7119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for San Dimas Fire Fc 95 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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