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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Vulcan Threshold Days by Year (CA003036880)

14 fixed thresholds counted per year at Vulcan (CA003036880): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vulcan Thresholds

  • Vulcan: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1942 with 20.
  • Vulcan: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1949 with 8.
  • Vulcan: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1951 with 6.
  • Vulcan: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1959 with 2.
  • 14 fixed thresholds have at least one qualifying day at Vulcan.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Vulcan Days per year at Vulcan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1961. 0102030401955: 111956: 91957: 81958: 191959: 131961: 321962: 151963: 141964: 11195519561957195819591961196219631964
Days per year at Vulcan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1961.
Days at or above 30 C (86 F) per year at Vulcan
YearDaysDecade average
19551112
1956912
1957812
19581912
19591312
19613218
19621518
19631418
19641118
First to last qualifying date each year at Vulcan For each year, a bar from the first to the last day at Vulcan meeting 30 C (86 F). 1955: 14 July 1955 to 2 September 19551956: 31 May 1956 to 22 August 19561957: 10 July 1957 to 8 August 19571958: 28 May 1958 to 11 September 19581959: 12 June 1959 to 1 August 19591961: 3 June 1961 to 25 August 19611962: 24 June 1962 to 24 August 19621963: 29 May 1963 to 29 September 19631964: 2 July 1964 to 18 August 196419551957195919621964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vulcan meeting 30 C (86 F).
First to last qualifying date each year at Vulcan
YearFirst dateLast date
19551955-07-141955-09-02
19561956-05-311956-08-22
19571957-07-101957-08-08
19581958-05-281958-09-11
19591959-06-121959-08-01
19611961-06-031961-08-25
19621962-06-241962-08-24
19631963-05-291963-09-29
19641964-07-021964-08-18

Every Fixed Threshold

Fixed thresholds at Vulcan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days932196111
35 C (95 F): Days3419611
90 F (32.2 C): Days81219613
0 C (32 F): Ice days (max997195561
0 C (32 F): Frost days (min82191955180
-10 C (14 F): Days with min8114195584
-20 C (-4 F): Days with min851195533
-30 C (-22 F): Days with min7919578
20 C (68 F): Tropical nights (min1119551
10 mm (0.39 in): Days with 10 mm or more rain4320194220
25 mm (0.98 in): Days with 25 mm or more rain33619514
50 mm (1.97 in): Days with 50 mm or more rain12219591
10 cm (3.9 in): Days with 10 cm or more snowfall35819496
25 cm (9.8 in): Days with 25 cm or more snowfall4219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Vulcan 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 (2026-10-17).