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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ewan Threshold Days by Year (USC00452706)

3 fixed thresholds counted per year at Ewan (USC00452706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ewan Thresholds

  • Ewan: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1948 with 18.
  • Ewan: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1943 with 2.
  • Ewan: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1942 with 1.
  • 3 fixed thresholds have at least one qualifying day at Ewan.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ewan Days per year at Ewan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1948. 051015201941: 121942: 141943: 121947: 101948: 181950: 81951: 101952: 61953: 111954: 61955: 91956: 61957: 61958: 101959: 71960: 61961: 111962: 81963: 61964: 141965: 91966: 61967: 91968: 101969: 51970: 71971: 81972: 51973: 91941194719511954195719601963196619691972
Days per year at Ewan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1948.
Days with 10 mm (0.39 in) or more of precipitation per year at Ewan
YearDaysDecade average
19411213.2
19421413.2
19431213.2
19471013.2
19481813.2
195087.9
1951107.9
195267.9
1953117.9
195467.9
195597.9
195667.9
195767.9
1958107.9
195977.9
196068.4
1961118.4
196288.4
196368.4
1964148.4
196598.4
196668.4
196798.4
1968108.4
196958.4
197077.3
197187.3
197257.3
197397.3
First to last qualifying date each year at Ewan For each year, a bar from the first to the last day at Ewan meeting 10 mm (0.39 in). 1941: 14 January 1941 to 30 December 19411942: 4 February 1942 to 8 December 19421943: 20 January 1943 to 30 October 19431947: 5 September 1947 to 2 December 19471948: 4 January 1948 to 19 December 19481950: 17 March 1950 to 3 December 19501951: 2 January 1951 to 21 December 19511952: 24 January 1952 to 10 December 19521953: 9 January 1953 to 20 December 19531954: 4 June 1954 to 30 December 19541955: 22 April 1955 to 21 December 19551956: 4 January 1956 to 11 December 19561957: 18 May 1957 to 23 October 19571958: 13 January 1958 to 26 December 19581959: 10 January 1959 to 8 October 19591960: 7 May 1960 to 18 December 19601961: 29 January 1961 to 19 December 19611962: 24 March 1962 to 2 December 19621963: 1 February 1963 to 6 December 19631964: 8 June 1964 to 22 December 19641965: 23 January 1965 to 4 November 19651966: 7 March 1966 to 13 December 19661967: 26 January 1967 to 25 December 19671968: 19 February 1968 to 31 December 19681969: 26 January 1969 to 19 May 19691970: 9 January 1970 to 11 November 19701971: 10 March 1971 to 19 October 19711972: 20 January 1972 to 23 December 19721973: 13 January 1973 to 24 December 197319411948195319571961196519691973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ewan meeting 10 mm (0.39 in).
First to last qualifying date each year at Ewan
YearFirst dateLast date
19411941-01-141941-12-30
19421942-02-041942-12-08
19431943-01-201943-10-30
19471947-09-051947-12-02
19481948-01-041948-12-19
19501950-03-171950-12-03
19511951-01-021951-12-21
19521952-01-241952-12-10
19531953-01-091953-12-20
19541954-06-041954-12-30
19551955-04-221955-12-21
19561956-01-041956-12-11
19571957-05-181957-10-23
19581958-01-131958-12-26
19591959-01-101959-10-08
19601960-05-071960-12-18
19611961-01-291961-12-19
19621962-03-241962-12-02
19631963-02-011963-12-06
19641964-06-081964-12-22
19651965-01-231965-11-04
19661966-03-071966-12-13
19671967-01-261967-12-25
19681968-02-191968-12-31
19691969-01-261969-05-19
19701970-01-091970-11-11
19711971-03-101971-10-19
19721972-01-201972-12-23
19731973-01-131973-12-24

Every Fixed Threshold

Fixed thresholds at Ewan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain291819489
25 mm (0.98 in): Days with 25 mm or more rain11119421
10 cm (3.9 in): Days with 10 cm or more snowfall18219431

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 Ewan 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).