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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Sapulpa 1W Threshold Days by Year

5 fixed thresholds counted per year at Sapulpa 1W (USC00347921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sapulpa 1W Thresholds

  • Sapulpa 1W: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1973 with 44.
  • Sapulpa 1W: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1973 with 21.
  • Sapulpa 1W: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1945 with 7.
  • Sapulpa 1W: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1971 with 3.
  • 5 fixed thresholds have at least one qualifying day at Sapulpa 1W.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sapulpa 1W Days per year at Sapulpa 1W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1973. 02040601940: 271941: 371942: 361943: 271945: 251946: 321947: 271948: 271949: 371950: 271951: 301952: 261953: 291954: 181955: 251956: 211957: 401958: 301959: 361960: 281961: 371962: 281963: 201964: 331965: 181966: 221967: 301968: 341969: 241970: 281971: 321972: 271973: 441974: 41194019451949195319571961196519691973
Days per year at Sapulpa 1W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Sapulpa 1W
YearDaysDecade average
19402730.6
19413730.6
19423630.6
19432730.6
19452530.6
19463230.6
19472730.6
19482730.6
19493730.6
19502728.2
19513028.2
19522628.2
19532928.2
19541828.2
19552528.2
19562128.2
19574028.2
19583028.2
19593628.2
19602827.4
19613727.4
19622827.4
19632027.4
19643327.4
19651827.4
19662227.4
19673027.4
19683427.4
19692427.4
19702834.4
19713234.4
19722734.4
19734434.4
19744134.4
First to last qualifying date each year at Sapulpa 1W For each year, a bar from the first to the last day at Sapulpa 1W meeting 10 mm (0.39 in). 1940: 4 January 1940 to 16 December 19401941: 1 January 1941 to 13 December 19411942: 15 February 1942 to 22 December 19421943: 3 February 1943 to 28 December 19431945: 18 January 1945 to 3 October 19451946: 5 January 1946 to 11 December 19461947: 2 January 1947 to 31 December 19471948: 1 January 1948 to 24 December 19481949: 15 January 1949 to 10 December 19491950: 3 January 1950 to 2 October 19501951: 2 January 1951 to 24 November 19511952: 2 January 1952 to 19 December 19521953: 23 January 1953 to 5 December 19531954: 26 January 1954 to 29 December 19541955: 5 January 1955 to 5 October 19551956: 22 January 1956 to 19 December 19561957: 22 January 1957 to 24 December 19571958: 19 January 1958 to 17 November 19581959: 20 January 1959 to 26 December 19591960: 12 January 1960 to 31 December 19601961: 14 January 1961 to 16 December 19611962: 27 February 1962 to 26 November 19621963: 4 January 1963 to 10 December 19631964: 30 January 1964 to 31 December 19641965: 22 January 1965 to 24 December 19651966: 27 February 1966 to 27 December 19661967: 25 January 1967 to 28 November 19671968: 18 January 1968 to 27 December 19681969: 29 January 1969 to 5 December 19691970: 22 February 1970 to 15 December 19701971: 3 January 1971 to 29 December 19711972: 11 February 1972 to 18 November 19721973: 3 January 1973 to 19 December 19731974: 27 January 1974 to 10 December 19741940194619511956196119661971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sapulpa 1W meeting 10 mm (0.39 in).
First to last qualifying date each year at Sapulpa 1W
YearFirst dateLast date
19401940-01-041940-12-16
19411941-01-011941-12-13
19421942-02-151942-12-22
19431943-02-031943-12-28
19451945-01-181945-10-03
19461946-01-051946-12-11
19471947-01-021947-12-31
19481948-01-011948-12-24
19491949-01-151949-12-10
19501950-01-031950-10-02
19511951-01-021951-11-24
19521952-01-021952-12-19
19531953-01-231953-12-05
19541954-01-261954-12-29
19551955-01-051955-10-05
19561956-01-221956-12-19
19571957-01-221957-12-24
19581958-01-191958-11-17
19591959-01-201959-12-26
19601960-01-121960-12-31
19611961-01-141961-12-16
19621962-02-271962-11-26
19631963-01-041963-12-10
19641964-01-301964-12-31
19651965-01-221965-12-24
19661966-02-271966-12-27
19671967-01-251967-11-28
19681968-01-181968-12-27
19691969-01-291969-12-05
19701970-02-221970-12-15
19711971-01-031971-12-29
19721972-02-111972-11-18
19731973-01-031973-12-19
19741974-01-271974-12-10

Every Fixed Threshold

Fixed thresholds at Sapulpa 1W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3444197341
25 mm (0.98 in): Days with 25 mm or more rain3421197318
50 mm (1.97 in): Days with 50 mm or more rain32719456
100 mm (3.94 in): Days with 100 mm or more rain9319711
10 cm (3.9 in): Days with 10 cm or more snowfall8319581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Sapulpa 1W 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).