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Built 2026-10-15 (15 October 2026)

Parker Threshold Days by Year

5 fixed thresholds counted per year at Parker (USC00366721): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parker Thresholds

  • Parker: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1972 with 49.
  • Parker: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1969 with 11.
  • Parker: days with 10 cm (3.9 in) or more of snowfall in 26 years, most in 1960 with 8.
  • Parker: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1953 with 3.
  • 5 fixed thresholds have at least one qualifying day at Parker.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Parker Days per year at Parker with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1972. 02040601952: 371953: 281954: 341955: 311956: 401957: 301958: 351959: 251960: 231961: 331962: 181963: 231964: 291965: 361966: 251967: 321968: 341969: 301970: 371971: 351972: 491973: 401974: 291975: 361976: 331977: 331978: 381980: 331981: 411983: 411984: 381985: 3919521956196019641968197219761981
Days per year at Parker with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1972.
Days with 10 mm (0.39 in) or more of precipitation per year at Parker
YearDaysDecade average
19523732.5
19532832.5
19543432.5
19553132.5
19564032.5
19573032.5
19583532.5
19592532.5
19602328.3
19613328.3
19621828.3
19632328.3
19642928.3
19653628.3
19662528.3
19673228.3
19683428.3
19693028.3
19703736.7
19713536.7
19724936.7
19734036.7
19742936.7
19753636.7
19763336.7
19773336.7
19783836.7
19803338.4
19814138.4
19834138.4
19843838.4
19853938.4
First to last qualifying date each year at Parker For each year, a bar from the first to the last day at Parker meeting 10 mm (0.39 in). 1952: 3 January 1952 to 11 December 19521953: 9 January 1953 to 23 November 19531954: 27 January 1954 to 30 December 19541955: 6 January 1955 to 14 November 19551956: 2 February 1956 to 9 December 19561957: 23 January 1957 to 26 December 19571958: 15 January 1958 to 9 December 19581959: 2 January 1959 to 29 December 19591960: 3 January 1960 to 21 December 19601961: 1 January 1961 to 28 December 19611962: 16 January 1962 to 30 December 19621963: 27 January 1963 to 9 December 19631964: 2 January 1964 to 26 December 19641965: 2 January 1965 to 26 December 19651966: 3 January 1966 to 11 December 19661967: 6 March 1967 to 3 December 19671968: 14 January 1968 to 28 December 19681969: 18 January 1969 to 11 December 19691970: 29 January 1970 to 17 December 19701971: 4 January 1971 to 31 December 19711972: 23 January 1972 to 22 December 19721973: 4 January 1973 to 21 December 19731974: 21 March 1974 to 25 December 19741975: 9 January 1975 to 26 December 19751976: 3 January 1976 to 7 December 19761977: 13 March 1977 to 15 December 19771978: 8 January 1978 to 25 December 19781980: 12 January 1980 to 26 October 19801981: 2 February 1981 to 23 December 19811983: 3 February 1983 to 29 December 19831984: 19 January 1984 to 30 December 19841985: 17 January 1985 to 12 December 198519521956196019641968197219761981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parker meeting 10 mm (0.39 in).
First to last qualifying date each year at Parker
YearFirst dateLast date
19521952-01-031952-12-11
19531953-01-091953-11-23
19541954-01-271954-12-30
19551955-01-061955-11-14
19561956-02-021956-12-09
19571957-01-231957-12-26
19581958-01-151958-12-09
19591959-01-021959-12-29
19601960-01-031960-12-21
19611961-01-011961-12-28
19621962-01-161962-12-30
19631963-01-271963-12-09
19641964-01-021964-12-26
19651965-01-021965-12-26
19661966-01-031966-12-11
19671967-03-061967-12-03
19681968-01-141968-12-28
19691969-01-181969-12-11
19701970-01-291970-12-17
19711971-01-041971-12-31
19721972-01-231972-12-22
19731973-01-041973-12-21
19741974-03-211974-12-25
19751975-01-091975-12-26
19761976-01-031976-12-07
19771977-03-131977-12-15
19781978-01-081978-12-25
19801980-01-121980-10-26
19811981-02-021981-12-23
19831983-02-031983-12-29
19841984-01-191984-12-30
19851985-01-171985-12-12

Every Fixed Threshold

Fixed thresholds at Parker
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3249197239
25 mm (0.98 in): Days with 25 mm or more rain321119699
50 mm (1.97 in): Days with 50 mm or more rain16319531
10 cm (3.9 in): Days with 10 cm or more snowfall26819606
25 cm (9.8 in): Days with 25 cm or more snowfall5119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Parker 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).