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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Upper American Fork Ph Threshold Days by Year

5 fixed thresholds counted per year at Upper American Fork Ph (USC00428939): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upper American Fork Ph Thresholds

  • Upper American Fork Ph: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1983 with 34.
  • Upper American Fork Ph: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1980 with 9.
  • Upper American Fork Ph: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1973 with 14.
  • Upper American Fork Ph: days with 25 cm (9.8 in) or more of snowfall in 9 years, most in 1960 with 2.
  • 5 fixed thresholds have at least one qualifying day at Upper American Fork Ph.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Upper American Fork Ph Days per year at Upper American Fork Ph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1983. 0102030401958: 161959: 121960: 131961: 121962: 171963: 191964: 271965: 251966: 121967: 131968: 251969: 251970: 251971: 241972: 131973: 191974: 131975: 221976: 91977: 151978: 271979: 101980: 281981: 241982: 301983: 341985: 18195819611964196719701973197619791982
Days per year at Upper American Fork Ph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Upper American Fork Ph
YearDaysDecade average
19581614
19591214
19601318.8
19611218.8
19621718.8
19631918.8
19642718.8
19652518.8
19661218.8
19671318.8
19682518.8
19692518.8
19702517.7
19712417.7
19721317.7
19731917.7
19741317.7
19752217.7
1976917.7
19771517.7
19782717.7
19791017.7
19802826.8
19812426.8
19823026.8
19833426.8
19851826.8
First to last qualifying date each year at Upper American Fork Ph For each year, a bar from the first to the last day at Upper American Fork Ph meeting 10 mm (0.39 in). 1958: 25 January 1958 to 15 November 19581959: 26 January 1959 to 25 December 19591960: 2 February 1960 to 27 November 19601961: 6 March 1961 to 20 December 19611962: 8 February 1962 to 5 October 19621963: 30 January 1963 to 16 November 19631964: 7 January 1964 to 28 December 19641965: 11 January 1965 to 30 December 19651966: 6 February 1966 to 6 December 19661967: 23 January 1967 to 26 December 19671968: 13 February 1968 to 26 December 19681969: 13 January 1969 to 16 November 19691970: 10 January 1970 to 9 December 19701971: 8 January 1971 to 25 December 19711972: 2 April 1972 to 18 December 19721973: 17 January 1973 to 29 December 19731974: 19 February 1974 to 20 December 19741975: 6 January 1975 to 13 December 19751976: 9 February 1976 to 3 October 19761977: 22 February 1977 to 18 December 19771978: 15 January 1978 to 19 December 19781979: 11 January 1979 to 18 November 19791980: 9 January 1980 to 5 December 19801981: 4 January 1981 to 30 December 19811982: 3 February 1982 to 23 December 19821983: 25 January 1983 to 26 December 19831985: 8 January 1985 to 12 November 19851958196219661970197419781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upper American Fork Ph meeting 10 mm (0.39 in).
First to last qualifying date each year at Upper American Fork Ph
YearFirst dateLast date
19581958-01-251958-11-15
19591959-01-261959-12-25
19601960-02-021960-11-27
19611961-03-061961-12-20
19621962-02-081962-10-05
19631963-01-301963-11-16
19641964-01-071964-12-28
19651965-01-111965-12-30
19661966-02-061966-12-06
19671967-01-231967-12-26
19681968-02-131968-12-26
19691969-01-131969-11-16
19701970-01-101970-12-09
19711971-01-081971-12-25
19721972-04-021972-12-18
19731973-01-171973-12-29
19741974-02-191974-12-20
19751975-01-061975-12-13
19761976-02-091976-10-03
19771977-02-221977-12-18
19781978-01-151978-12-19
19791979-01-111979-11-18
19801980-01-091980-12-05
19811981-01-041981-12-30
19821982-02-031982-12-23
19831983-01-251983-12-26
19851985-01-081985-11-12

Every Fixed Threshold

Fixed thresholds at Upper American Fork Ph
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2734198318
25 mm (0.98 in): Days with 25 mm or more rain25919804
50 mm (1.97 in): Days with 50 mm or more rain3119591
10 cm (3.9 in): Days with 10 cm or more snowfall1914197310
25 cm (9.8 in): Days with 25 cm or more snowfall9219602

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Upper American Fork Ph 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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