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Built 2026-10-19 (19 October 2026)

Vandenberg AFB Threshold Days by Year (USW00093214)

9 fixed thresholds counted per year at Vandenberg AFB (USW00093214): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vandenberg AFB Thresholds

  • Vandenberg AFB: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1969 with 19.
  • Vandenberg AFB: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1969 with 7.
  • Vandenberg AFB: nights with a minimum temperature at or below 0 C (32 F) in 9 years, most in 1960 with 3.
  • Vandenberg AFB: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1966 with 8.
  • 9 fixed thresholds have at least one qualifying day at Vandenberg AFB.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Vandenberg AFB Days per year at Vandenberg AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1966. 024681959: 21961: 41964: 41965: 71966: 81967: 21968: 61970: 419591961196419651966196719681970
Days per year at Vandenberg AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1966.
Days at or above 30 C (86 F) per year at Vandenberg AFB
YearDaysDecade average
195922
196145.2
196445.2
196575.2
196685.2
196725.2
196865.2
197044
First to last qualifying date each year at Vandenberg AFB For each year, a bar from the first to the last day at Vandenberg AFB meeting 30 C (86 F). 1959: 1 April 1959 to 23 October 19591961: 4 September 1961 to 15 October 19611964: 23 September 1964 to 21 October 19641965: 30 September 1965 to 25 October 19651966: 14 April 1966 to 2 November 19661967: 16 October 1967 to 17 October 19671968: 10 April 1968 to 24 October 19681970: 26 September 1970 to 29 September 197019591961196419651966196719681970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vandenberg AFB meeting 30 C (86 F).
First to last qualifying date each year at Vandenberg AFB
YearFirst dateLast date
19591959-04-011959-10-23
19611961-09-041961-10-15
19641964-09-231964-10-21
19651965-09-301965-10-25
19661966-04-141966-11-02
19671967-10-161967-10-17
19681968-04-101968-10-24
19701970-09-261970-09-29

Every Fixed Threshold

Fixed thresholds at Vandenberg AFB
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8819664
35 C (95 F): Days4219702
90 F (32.2 C): Days8419653
100 F (37.8 C): Days1119701
0 C (32 F): Frost days (min9319602
20 C (68 F): Tropical nights (min2119591
10 mm (0.39 in): Days with 10 mm or more rain1219196911
25 mm (0.98 in): Days with 25 mm or more rain10719692
50 mm (1.97 in): Days with 50 mm or more rain2119631

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Vandenberg AFB 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).