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

Vona Threshold Days by Year (USC00058722)

6 fixed thresholds counted per year at Vona (USC00058722): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vona Thresholds

  • Vona: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1944 with 24.
  • Vona: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1973 with 7.
  • Vona: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1947 with 6.
  • Vona: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1947 with 2.
  • 6 fixed thresholds have at least one qualifying day at Vona.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Vona Days per year at Vona with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1944. 01020301942: 221943: 91944: 241945: 131946: 191947: 141948: 101949: 111950: 101951: 161952: 111953: 131954: 41955: 111956: 61957: 201958: 161959: 111960: 171961: 161962: 81963: 111964: 71965: 191966: 121967: 121968: 81969: 111970: 151971: 141972: 161973: 161974: 71975: 141976: 91977: 111978: 81979: 151980: 141981: 121942194619501954195819621966197019741978
Days per year at Vona with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1944.
Days with 10 mm (0.39 in) or more of precipitation per year at Vona
YearDaysDecade average
19422215.3
1943915.3
19442415.3
19451315.3
19461915.3
19471415.3
19481015.3
19491115.3
19501011.8
19511611.8
19521111.8
19531311.8
1954411.8
19551111.8
1956611.8
19572011.8
19581611.8
19591111.8
19601712.1
19611612.1
1962812.1
19631112.1
1964712.1
19651912.1
19661212.1
19671212.1
1968812.1
19691112.1
19701512.5
19711412.5
19721612.5
19731612.5
1974712.5
19751412.5
1976912.5
19771112.5
1978812.5
19791512.5
19801413
19811213
First to last qualifying date each year at Vona For each year, a bar from the first to the last day at Vona meeting 10 mm (0.39 in). 1942: 12 February 1942 to 26 December 19421943: 8 April 1943 to 19 August 19431944: 26 January 1944 to 25 November 19441945: 14 April 1945 to 30 September 19451946: 5 March 1946 to 6 November 19461947: 19 March 1947 to 8 October 19471948: 1 March 1948 to 14 August 19481949: 26 March 1949 to 10 October 19491950: 16 April 1950 to 16 September 19501951: 13 May 1951 to 5 November 19511952: 24 February 1952 to 13 December 19521953: 11 April 1953 to 3 December 19531954: 2 May 1954 to 27 December 19541955: 25 March 1955 to 25 September 19551956: 9 June 1956 to 25 October 19561957: 24 March 1957 to 14 October 19571958: 28 February 1958 to 29 October 19581959: 26 March 1959 to 30 October 19591960: 14 January 1960 to 28 December 19601961: 18 March 1961 to 13 November 19611962: 8 January 1962 to 24 August 19621963: 4 March 1963 to 21 September 19631964: 20 March 1964 to 1 July 19641965: 14 May 1965 to 18 October 19651966: 12 April 1966 to 15 October 19661967: 20 May 1967 to 16 September 19671968: 10 March 1968 to 22 December 19681969: 5 April 1969 to 30 October 19691970: 14 May 1970 to 26 October 19701971: 3 January 1971 to 18 November 19711972: 11 May 1972 to 13 November 19721973: 27 January 1973 to 12 October 19731974: 14 April 1974 to 3 November 19741975: 11 April 1975 to 20 November 19751976: 22 May 1976 to 27 October 19761977: 11 March 1977 to 1 November 19771978: 1 May 1978 to 22 October 19781979: 3 May 1979 to 28 December 19791980: 28 March 1980 to 9 September 19801981: 2 March 1981 to 3 November 198119421947195219571962196719721977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vona meeting 10 mm (0.39 in).
First to last qualifying date each year at Vona
YearFirst dateLast date
19421942-02-121942-12-26
19431943-04-081943-08-19
19441944-01-261944-11-25
19451945-04-141945-09-30
19461946-03-051946-11-06
19471947-03-191947-10-08
19481948-03-011948-08-14
19491949-03-261949-10-10
19501950-04-161950-09-16
19511951-05-131951-11-05
19521952-02-241952-12-13
19531953-04-111953-12-03
19541954-05-021954-12-27
19551955-03-251955-09-25
19561956-06-091956-10-25
19571957-03-241957-10-14
19581958-02-281958-10-29
19591959-03-261959-10-30
19601960-01-141960-12-28
19611961-03-181961-11-13
19621962-01-081962-08-24
19631963-03-041963-09-21
19641964-03-201964-07-01
19651965-05-141965-10-18
19661966-04-121966-10-15
19671967-05-201967-09-16
19681968-03-101968-12-22
19691969-04-051969-10-30
19701970-05-141970-10-26
19711971-01-031971-11-18
19721972-05-111972-11-13
19731973-01-271973-10-12
19741974-04-141974-11-03
19751975-04-111975-11-20
19761976-05-221976-10-27
19771977-03-111977-11-01
19781978-05-011978-10-22
19791979-05-031979-12-28
19801980-03-281980-09-09
19811981-03-021981-11-03

Every Fixed Threshold

Fixed thresholds at Vona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4024194412
25 mm (0.98 in): Days with 25 mm or more rain33619474
50 mm (1.97 in): Days with 50 mm or more rain10219471
100 mm (3.94 in): Days with 100 mm or more rain1119471
10 cm (3.9 in): Days with 10 cm or more snowfall37719734
25 cm (9.8 in): Days with 25 cm or more snowfall6219462

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Vona 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).