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Built 2026-10-19 (19 October 2026)

Bluffs Threshold Days by Year (USC00110781)

5 fixed thresholds counted per year at Bluffs (USC00110781): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bluffs Thresholds

  • Bluffs: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1973 with 51.
  • Bluffs: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1970 with 18.
  • Bluffs: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1941 with 4.
  • Bluffs: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1945 with 3.
  • 5 fixed thresholds have at least one qualifying day at Bluffs.
42 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bluffs Days per year at Bluffs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1973. 02040601941: 401942: 391943: 401944: 261945: 361946: 271947: 291948: 271949: 351950: 271951: 351952: 281953: 251954: 261955: 281956: 171957: 321958: 311959: 261960: 321962: 281963: 211964: 261965: 301966: 261967: 361968: 301969: 411970: 371971: 221972: 221973: 511974: 331975: 321976: 261977: 351978: 231981: 321982: 361983: 221984: 301985: 31194119461951195619621967197219771984
Days per year at Bluffs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Bluffs
YearDaysDecade average
19414033.2
19423933.2
19434033.2
19442633.2
19453633.2
19462733.2
19472933.2
19482733.2
19493533.2
19502727.5
19513527.5
19522827.5
19532527.5
19542627.5
19552827.5
19561727.5
19573227.5
19583127.5
19592627.5
19603230
19622830
19632130
19642630
19653030
19662630
19673630
19683030
19694130
19703731.2
19712231.2
19722231.2
19735131.2
19743331.2
19753231.2
19762631.2
19773531.2
19782331.2
19813230.2
19823630.2
19832230.2
19843030.2
19853130.2
First to last qualifying date each year at Bluffs For each year, a bar from the first to the last day at Bluffs meeting 10 mm (0.39 in). 1941: 1 January 1941 to 23 December 19411942: 31 January 1942 to 27 December 19421943: 31 January 1943 to 28 December 19431944: 27 January 1944 to 25 December 19441945: 14 January 1945 to 29 December 19451946: 5 January 1946 to 12 December 19461947: 14 March 1947 to 31 December 19471948: 1 January 1948 to 24 December 19481949: 10 January 1949 to 26 December 19491950: 3 January 1950 to 2 December 19501951: 2 January 1951 to 25 December 19511952: 2 January 1952 to 19 December 19521953: 9 January 1953 to 22 December 19531954: 26 January 1954 to 29 December 19541955: 3 January 1955 to 23 November 19551956: 14 March 1956 to 8 December 19561957: 22 January 1957 to 25 December 19571958: 21 January 1958 to 18 November 19581959: 9 February 1959 to 27 December 19591960: 12 January 1960 to 11 December 19601962: 6 January 1962 to 20 December 19621963: 23 February 1963 to 22 November 19631964: 13 January 1964 to 28 November 19641965: 22 January 1965 to 25 December 19651966: 8 February 1966 to 28 December 19661967: 24 January 1967 to 21 December 19671968: 1 February 1968 to 28 December 19681969: 16 January 1969 to 23 December 19691970: 2 March 1970 to 16 December 19701971: 3 January 1971 to 29 November 19711972: 10 February 1972 to 12 December 19721973: 3 January 1973 to 30 December 19731974: 20 January 1974 to 24 December 19741975: 10 January 1975 to 26 December 19751976: 5 February 1976 to 26 November 19761977: 5 January 1977 to 13 December 19771978: 24 January 1978 to 27 November 19781981: 22 February 1981 to 30 November 19811982: 5 January 1982 to 24 December 19821983: 2 February 1983 to 27 November 19831984: 5 February 1984 to 31 December 19841985: 3 March 1985 to 13 December 19851941194719531959196619721978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bluffs meeting 10 mm (0.39 in).
First to last qualifying date each year at Bluffs
YearFirst dateLast date
19411941-01-011941-12-23
19421942-01-311942-12-27
19431943-01-311943-12-28
19441944-01-271944-12-25
19451945-01-141945-12-29
19461946-01-051946-12-12
19471947-03-141947-12-31
19481948-01-011948-12-24
19491949-01-101949-12-26
19501950-01-031950-12-02
19511951-01-021951-12-25
19521952-01-021952-12-19
19531953-01-091953-12-22
19541954-01-261954-12-29
19551955-01-031955-11-23
19561956-03-141956-12-08
19571957-01-221957-12-25
19581958-01-211958-11-18
19591959-02-091959-12-27
19601960-01-121960-12-11
19621962-01-061962-12-20
19631963-02-231963-11-22
19641964-01-131964-11-28
19651965-01-221965-12-25
19661966-02-081966-12-28
19671967-01-241967-12-21
19681968-02-011968-12-28
19691969-01-161969-12-23
19701970-03-021970-12-16
19711971-01-031971-11-29
19721972-02-101972-12-12
19731973-01-031973-12-30
19741974-01-201974-12-24
19751975-01-101975-12-26
19761976-02-051976-11-26
19771977-01-051977-12-13
19781978-01-241978-11-27
19811981-02-221981-11-30
19821982-01-051982-12-24
19831983-02-021983-11-27
19841984-02-051984-12-31
19851985-03-031985-12-13

Every Fixed Threshold

Fixed thresholds at Bluffs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4251197331
25 mm (0.98 in): Days with 25 mm or more rain4218197018
50 mm (1.97 in): Days with 50 mm or more rain34419414
100 mm (3.94 in): Days with 100 mm or more rain4119481
10 cm (3.9 in): Days with 10 cm or more snowfall19319453

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Bluffs 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).