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

Travis AFB Threshold Days by Year (USW00023202)

12 fixed thresholds counted per year at Travis AFB (USW00023202): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Travis AFB Thresholds

  • Travis AFB: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1967 with 90.
  • Travis AFB: days with a maximum temperature at or above 35 C (95 F) in 23 years, most in 1970 with 30.
  • Travis AFB: days with a maximum temperature at or above 90 F (32.2 C) in 23 years, most in 1970 with 63.
  • Travis AFB: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1958 with 24.
  • 12 fixed thresholds have at least one qualifying day at Travis AFB.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Travis AFB Days per year at Travis AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1967. 02550751001949: 541950: 621951: 401952: 631953: 471954: 441955: 561956: 411957: 531958: 621959: 701960: 601961: 591962: 561963: 551964: 531965: 501966: 681967: 901968: 741969: 671970: 852025: 8319491952195519581961196419671970
Days per year at Travis AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1967.
Days at or above 30 C (86 F) per year at Travis AFB
YearDaysDecade average
19495454
19506253.8
19514053.8
19526353.8
19534753.8
19544453.8
19555653.8
19564153.8
19575353.8
19586253.8
19597053.8
19606063.2
19615963.2
19625663.2
19635563.2
19645363.2
19655063.2
19666863.2
19679063.2
19687463.2
19696763.2
19708585
20258383
First to last qualifying date each year at Travis AFB For each year, a bar from the first to the last day at Travis AFB meeting 30 C (86 F). 1949: 6 May 1949 to 1 November 19491950: 18 April 1950 to 13 October 19501951: 10 April 1951 to 14 October 19511952: 16 May 1952 to 5 October 19521953: 21 June 1953 to 8 October 19531954: 16 April 1954 to 15 October 19541955: 10 May 1955 to 9 November 19551956: 15 May 1956 to 1 October 19561957: 28 April 1957 to 23 September 19571958: 15 May 1958 to 16 October 19581959: 7 May 1959 to 24 October 19591960: 30 May 1960 to 26 September 19601961: 3 April 1961 to 17 October 19611962: 13 April 1962 to 1 October 19621963: 17 May 1963 to 1 October 19631964: 14 April 1964 to 19 October 19641965: 25 April 1965 to 26 October 19651966: 31 March 1966 to 10 October 19661967: 15 May 1967 to 2 November 19671968: 29 April 1968 to 26 October 19681969: 5 May 1969 to 29 September 19691970: 2 May 1970 to 10 October 19702025: 6 May 2025 to 8 October 202519491952195519581961196419671970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Travis AFB meeting 30 C (86 F).
First to last qualifying date each year at Travis AFB
YearFirst dateLast date
19491949-05-061949-11-01
19501950-04-181950-10-13
19511951-04-101951-10-14
19521952-05-161952-10-05
19531953-06-211953-10-08
19541954-04-161954-10-15
19551955-05-101955-11-09
19561956-05-151956-10-01
19571957-04-281957-09-23
19581958-05-151958-10-16
19591959-05-071959-10-24
19601960-05-301960-09-26
19611961-04-031961-10-17
19621962-04-131962-10-01
19631963-05-171963-10-01
19641964-04-141964-10-19
19651965-04-251965-10-26
19661966-03-311966-10-10
19671967-05-151967-11-02
19681968-04-291968-10-26
19691969-05-051969-09-29
19701970-05-021970-10-10
20252025-05-062025-10-08

Every Fixed Threshold

Fixed thresholds at Travis AFB
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2390196783
35 C (95 F): Days2330197023
40 C (104 F): Days14819501
90 F (32.2 C): Days2363197051
100 F (37.8 C): Days221319504
110 F (43.3 C): Days2219552
0 C (32 F): Ice days (max1119611
0 C (32 F): Frost days (min2234194911
20 C (68 F): Tropical nights (min18919613
10 mm (0.39 in): Days with 10 mm or more rain232419581
25 mm (0.98 in): Days with 25 mm or more rain22819521
50 mm (1.97 in): Days with 50 mm or more rain7219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Travis 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).