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

Zook 9 E Threshold Days by Year

5 fixed thresholds counted per year at Zook 9 E (USC00149121): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zook 9 E Thresholds

  • Zook 9 E: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1957 with 36.
  • Zook 9 E: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1957 with 12.
  • Zook 9 E: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1963 with 3.
  • Zook 9 E: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1960 with 4.
  • 5 fixed thresholds have at least one qualifying day at Zook 9 E.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zook 9 E Days per year at Zook 9 E with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1957. 0102030401944: 261945: 231946: 141947: 191949: 201950: 211951: 321952: 101953: 131954: 171955: 151956: 111957: 361958: 231959: 211960: 261963: 151969: 23194419461949195119531955195719591963
Days per year at Zook 9 E with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at Zook 9 E
YearDaysDecade average
19442620.4
19452320.4
19461420.4
19471920.4
19492020.4
19502119.9
19513219.9
19521019.9
19531319.9
19541719.9
19551519.9
19561119.9
19573619.9
19582319.9
19592119.9
19602621.3
19631521.3
19692321.3
First to last qualifying date each year at Zook 9 E For each year, a bar from the first to the last day at Zook 9 E meeting 10 mm (0.39 in). 1944: 28 February 1944 to 4 December 19441945: 21 January 1945 to 13 October 19451946: 18 February 1946 to 9 November 19461947: 12 March 1947 to 14 November 19471949: 11 January 1949 to 21 December 19491950: 5 May 1950 to 14 September 19501951: 25 February 1951 to 27 October 19511952: 3 March 1952 to 19 December 19521953: 1 March 1953 to 2 December 19531954: 19 February 1954 to 26 October 19541955: 5 January 1955 to 3 October 19551956: 29 January 1956 to 30 October 19561957: 22 February 1957 to 17 November 19571958: 6 March 1958 to 30 December 19581959: 20 January 1959 to 30 October 19591960: 14 January 1960 to 11 December 19601963: 3 March 1963 to 20 October 19631969: 14 February 1969 to 9 October 1969194419471951195419571960JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zook 9 E meeting 10 mm (0.39 in).
First to last qualifying date each year at Zook 9 E
YearFirst dateLast date
19441944-02-281944-12-04
19451945-01-211945-10-13
19461946-02-181946-11-09
19471947-03-121947-11-14
19491949-01-111949-12-21
19501950-05-051950-09-14
19511951-02-251951-10-27
19521952-03-031952-12-19
19531953-03-011953-12-02
19541954-02-191954-10-26
19551955-01-051955-10-03
19561956-01-291956-10-30
19571957-02-221957-11-17
19581958-03-061958-12-30
19591959-01-201959-10-30
19601960-01-141960-12-11
19631963-03-031963-10-20
19691969-02-141969-10-09

Every Fixed Threshold

Fixed thresholds at Zook 9 E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1836195723
25 mm (0.98 in): Days with 25 mm or more rain171219578
50 mm (1.97 in): Days with 50 mm or more rain12319632
100 mm (3.94 in): Days with 100 mm or more rain1119631
10 cm (3.9 in): Days with 10 cm or more snowfall10419604

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Zook 9 E 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).