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Built 2026-10-19 (19 October 2026)

Fontana 5 N Threshold Days by Year (USC00043118)

5 fixed thresholds counted per year at Fontana 5 N (USC00043118): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fontana 5 N Thresholds

  • Fontana 5 N: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1983 with 38.
  • Fontana 5 N: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1983 with 24.
  • Fontana 5 N: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1980 with 11.
  • Fontana 5 N: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1966 with 3.
  • 5 fixed thresholds have at least one qualifying day at Fontana 5 N.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Fontana 5 N Days per year at Fontana 5 N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1983. 0102030401954: 191955: 181956: 81957: 241958: 181959: 111960: 121961: 91962: 141963: 171964: 151965: 221966: 91967: 231968: 81969: 241970: 181971: 131972: 71973: 201974: 161975: 161976: 151977: 121978: 331979: 181980: 291981: 111982: 221983: 381954195719601963196619691972197519781981
Days per year at Fontana 5 N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Fontana 5 N
YearDaysDecade average
19541916.3
19551816.3
1956816.3
19572416.3
19581816.3
19591116.3
19601215.3
1961915.3
19621415.3
19631715.3
19641515.3
19652215.3
1966915.3
19672315.3
1968815.3
19692415.3
19701816.8
19711316.8
1972716.8
19732016.8
19741616.8
19751616.8
19761516.8
19771216.8
19783316.8
19791816.8
19802925
19811125
19822225
19833825
First to last qualifying date each year at Fontana 5 N For each year, a bar from the first to the last day at Fontana 5 N meeting 10 mm (0.39 in). 1954: 12 January 1954 to 10 December 19541955: 1 January 1955 to 23 December 19551956: 25 January 1956 to 6 December 19561957: 5 January 1957 to 17 December 19571958: 25 January 1958 to 11 November 19581959: 6 January 1959 to 25 December 19591960: 10 January 1960 to 13 November 19601961: 26 January 1961 to 3 December 19611962: 13 January 1962 to 16 May 19621963: 10 January 1963 to 20 November 19631964: 21 January 1964 to 28 December 19641965: 6 February 1965 to 31 December 19651966: 30 January 1966 to 7 December 19661967: 22 January 1967 to 19 December 19671968: 27 January 1968 to 26 December 19681969: 14 January 1969 to 7 November 19691970: 10 January 1970 to 21 December 19701971: 12 January 1971 to 28 December 19711972: 5 June 1972 to 8 December 19721973: 16 January 1973 to 1 December 19731974: 1 January 1974 to 31 December 19741975: 3 February 1975 to 12 December 19751976: 4 February 1976 to 30 December 19761977: 3 January 1977 to 28 December 19771978: 3 January 1978 to 19 December 19781979: 5 January 1979 to 21 December 19791980: 9 January 1980 to 4 December 19801981: 28 January 1981 to 30 December 19811982: 5 January 1982 to 22 December 19821983: 19 January 1983 to 27 December 198319541958196219661970197419781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fontana 5 N meeting 10 mm (0.39 in).
First to last qualifying date each year at Fontana 5 N
YearFirst dateLast date
19541954-01-121954-12-10
19551955-01-011955-12-23
19561956-01-251956-12-06
19571957-01-051957-12-17
19581958-01-251958-11-11
19591959-01-061959-12-25
19601960-01-101960-11-13
19611961-01-261961-12-03
19621962-01-131962-05-16
19631963-01-101963-11-20
19641964-01-211964-12-28
19651965-02-061965-12-31
19661966-01-301966-12-07
19671967-01-221967-12-19
19681968-01-271968-12-26
19691969-01-141969-11-07
19701970-01-101970-12-21
19711971-01-121971-12-28
19721972-06-051972-12-08
19731973-01-161973-12-01
19741974-01-011974-12-31
19751975-02-031975-12-12
19761976-02-041976-12-30
19771977-01-031977-12-28
19781978-01-031978-12-19
19791979-01-051979-12-21
19801980-01-091980-12-04
19811981-01-281981-12-30
19821982-01-051982-12-22
19831983-01-191983-12-27

Every Fixed Threshold

Fixed thresholds at Fontana 5 N
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3038198338
25 mm (0.98 in): Days with 25 mm or more rain3024198324
50 mm (1.97 in): Days with 50 mm or more rain2711198011
100 mm (3.94 in): Days with 100 mm or more rain9319661
200 mm (7.87 in): Days with 200 mm or more rain2119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Fontana 5 N 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).