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Built 2026-10-19 (19 October 2026)

Upper Lake 7 W Threshold Days by Year (USC00049167)

5 fixed thresholds counted per year at Upper Lake 7 W (USC00049167): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upper Lake 7 W Thresholds

  • Upper Lake 7 W: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1983 with 54.
  • Upper Lake 7 W: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1983 with 28.
  • Upper Lake 7 W: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1983 with 8.
  • Upper Lake 7 W: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1964 with 1.
  • 5 fixed thresholds have at least one qualifying day at Upper Lake 7 W.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Upper Lake 7 W Days per year at Upper Lake 7 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1983. 02040601949: 221950: 381951: 371952: 371953: 341954: 391955: 341956: 211957: 441958: 381959: 251960: 321961: 241963: 371964: 351965: 331966: 281967: 301968: 361969: 371970: 401971: 301972: 341973: 491974: 311975: 361976: 171977: 241978: 391979: 421980: 301981: 421982: 461983: 541984: 311985: 20194919531957196119661970197419781982
Days per year at Upper Lake 7 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Upper Lake 7 W
YearDaysDecade average
19492222
19503834.7
19513734.7
19523734.7
19533434.7
19543934.7
19553434.7
19562134.7
19574434.7
19583834.7
19592534.7
19603232.4
19612432.4
19633732.4
19643532.4
19653332.4
19662832.4
19673032.4
19683632.4
19693732.4
19704034.2
19713034.2
19723434.2
19734934.2
19743134.2
19753634.2
19761734.2
19772434.2
19783934.2
19794234.2
19803037.2
19814237.2
19824637.2
19835437.2
19843137.2
19852037.2
First to last qualifying date each year at Upper Lake 7 W For each year, a bar from the first to the last day at Upper Lake 7 W meeting 10 mm (0.39 in). 1949: 3 February 1949 to 18 December 19491950: 8 January 1950 to 14 December 19501951: 3 January 1951 to 30 December 19511952: 8 January 1952 to 30 December 19521953: 1 January 1953 to 4 December 19531954: 7 January 1954 to 31 December 19541955: 1 January 1955 to 26 December 19551956: 1 January 1956 to 5 December 19561957: 8 January 1957 to 28 December 19571958: 2 January 1958 to 27 December 19581959: 5 January 1959 to 25 December 19591960: 8 January 1960 to 17 December 19601961: 26 January 1961 to 2 December 19611963: 29 January 1963 to 23 November 19631964: 18 January 1964 to 30 December 19641965: 2 January 1965 to 31 December 19651966: 3 January 1966 to 10 December 19661967: 20 January 1967 to 18 December 19671968: 10 January 1968 to 25 December 19681969: 11 January 1969 to 25 December 19691970: 8 January 1970 to 20 December 19701971: 1 January 1971 to 26 December 19711972: 19 January 1972 to 23 December 19721973: 8 January 1973 to 28 December 19731974: 3 January 1974 to 27 December 19741975: 5 January 1975 to 22 December 19751976: 15 February 1976 to 30 December 19761977: 2 January 1977 to 27 December 19771978: 2 January 1978 to 18 November 19781979: 7 January 1979 to 31 December 19791980: 9 January 1980 to 21 December 19801981: 16 January 1981 to 30 December 19811982: 1 January 1982 to 23 December 19821983: 18 January 1983 to 30 December 19831984: 9 February 1984 to 10 December 19841985: 7 January 1985 to 7 December 198519491954195919651970197519801985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upper Lake 7 W meeting 10 mm (0.39 in).
First to last qualifying date each year at Upper Lake 7 W
YearFirst dateLast date
19491949-02-031949-12-18
19501950-01-081950-12-14
19511951-01-031951-12-30
19521952-01-081952-12-30
19531953-01-011953-12-04
19541954-01-071954-12-31
19551955-01-011955-12-26
19561956-01-011956-12-05
19571957-01-081957-12-28
19581958-01-021958-12-27
19591959-01-051959-12-25
19601960-01-081960-12-17
19611961-01-261961-12-02
19631963-01-291963-11-23
19641964-01-181964-12-30
19651965-01-021965-12-31
19661966-01-031966-12-10
19671967-01-201967-12-18
19681968-01-101968-12-25
19691969-01-111969-12-25
19701970-01-081970-12-20
19711971-01-011971-12-26
19721972-01-191972-12-23
19731973-01-081973-12-28
19741974-01-031974-12-27
19751975-01-051975-12-22
19761976-02-151976-12-30
19771977-01-021977-12-27
19781978-01-021978-11-18
19791979-01-071979-12-31
19801980-01-091980-12-21
19811981-01-161981-12-30
19821982-01-011982-12-23
19831983-01-181983-12-30
19841984-02-091984-12-10
19851985-01-071985-12-07

Every Fixed Threshold

Fixed thresholds at Upper Lake 7 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3654198320
25 mm (0.98 in): Days with 25 mm or more rain3628198311
50 mm (1.97 in): Days with 50 mm or more rain34819832
100 mm (3.94 in): Days with 100 mm or more rain1119641
10 cm (3.9 in): Days with 10 cm or more snowfall1119761

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 Upper Lake 7 W 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).