Built 2026-10-19 (19 October 2026)

Truxton Canyon Threshold Days by Year (USC00028778)

15 fixed thresholds counted per year at Truxton Canyon (USC00028778): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Truxton Canyon Thresholds

  • Truxton Canyon: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1941 with 17.
  • Truxton Canyon: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1934 with 133.
  • Truxton Canyon: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1960 with 83.
  • Truxton Canyon: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1960 with 105.
  • 15 fixed thresholds have at least one qualifying day at Truxton Canyon.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Truxton Canyon Days per year at Truxton Canyon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1934. 0501001501911: 1081913: 681916: 1081917: 1211921: 1181924: 1101929: 1051930: 1041931: 1031932: 1161933: 1201934: 1331935: 1231936: 1311937: 1211938: 1211940: 1091941: 881942: 1161948: 1201949: 1191952: 1411959: 1161960: 1301961: 1171962: 1301963: 1131964: 1241965: 1031969: 1011970: 1071971: 1041972: 1101973: 1271974: 1281975: 1251976: 1011977: 1061978: 1271979: 1181911192119311935194019491961196519721976
Days per year at Truxton Canyon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1934.
Days at or above 30 C (86 F) per year at Truxton Canyon
YearDaysDecade average
1911108101.3
191368101.3
1916108101.3
1917121101.3
1921118111
1924110111
1929105111
1930104119.1
1931103119.1
1932116119.1
1933120119.1
1934133119.1
1935123119.1
1936131119.1
1937121119.1
1938121119.1
1940109110.4
194188110.4
1942116110.4
1948120110.4
1949119110.4
1952141128.5
1959116128.5
1960130116.9
1961117116.9
1962130116.9
1963113116.9
1964124116.9
1965103116.9
1969101116.9
1970107115.3
1971104115.3
1972110115.3
1973127115.3
1974128115.3
1975125115.3
1976101115.3
1977106115.3
1978127115.3
1979118115.3
First to last qualifying date each year at Truxton Canyon For each year, a bar from the first to the last day at Truxton Canyon meeting 30 C (86 F). 1911: 18 May 1911 to 1 October 19111913: 5 May 1913 to 10 November 19131916: 26 April 1916 to 28 September 19161917: 13 May 1917 to 12 October 19171921: 12 May 1921 to 21 October 19211924: 4 June 1924 to 23 October 19241929: 3 May 1929 to 21 October 19291930: 5 April 1930 to 20 September 19301931: 6 May 1931 to 16 October 19311932: 12 May 1932 to 15 October 19321933: 25 May 1933 to 24 October 19331934: 10 April 1934 to 29 October 19341935: 22 May 1935 to 9 October 19351936: 11 April 1936 to 14 October 19361937: 15 April 1937 to 26 October 19371938: 18 April 1938 to 29 September 19381940: 2 May 1940 to 20 October 19401941: 6 May 1941 to 1 October 19411942: 7 May 1942 to 5 October 19421948: 16 April 1948 to 10 October 19481949: 22 April 1949 to 4 October 19491952: 2 May 1952 to 25 October 19521959: 2 April 1959 to 26 October 19591960: 5 April 1960 to 7 October 19601961: 3 April 1961 to 14 October 19611962: 13 April 1962 to 3 October 19621963: 5 May 1963 to 9 October 19631964: 12 May 1964 to 20 October 19641965: 21 April 1965 to 4 November 19651969: 11 May 1969 to 1 October 19691970: 15 May 1970 to 1 October 19701971: 15 May 1971 to 13 October 19711972: 2 May 1972 to 1 October 19721973: 9 May 1973 to 18 October 19731974: 7 May 1974 to 19 October 19741975: 10 May 1975 to 6 October 19751976: 11 May 1976 to 13 September 19761977: 23 April 1977 to 15 October 19771978: 12 May 1978 to 15 October 19781979: 13 May 1979 to 10 October 197919111924193319381949196219701975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Truxton Canyon meeting 30 C (86 F).
First to last qualifying date each year at Truxton Canyon
YearFirst dateLast date
19111911-05-181911-10-01
19131913-05-051913-11-10
19161916-04-261916-09-28
19171917-05-131917-10-12
19211921-05-121921-10-21
19241924-06-041924-10-23
19291929-05-031929-10-21
19301930-04-051930-09-20
19311931-05-061931-10-16
19321932-05-121932-10-15
19331933-05-251933-10-24
19341934-04-101934-10-29
19351935-05-221935-10-09
19361936-04-111936-10-14
19371937-04-151937-10-26
19381938-04-181938-09-29
19401940-05-021940-10-20
19411941-05-061941-10-01
19421942-05-071942-10-05
19481948-04-161948-10-10
19491949-04-221949-10-04
19521952-05-021952-10-25
19591959-04-021959-10-26
19601960-04-051960-10-07
19611961-04-031961-10-14
19621962-04-131962-10-03
19631963-05-051963-10-09
19641964-05-121964-10-20
19651965-04-211965-11-04
19691969-05-111969-10-01
19701970-05-151970-10-01
19711971-05-151971-10-13
19721972-05-021972-10-01
19731973-05-091973-10-18
19741974-05-071974-10-19
19751975-05-101975-10-06
19761976-05-111976-09-13
19771977-04-231977-10-15
19781978-05-121978-10-15
19791979-05-131979-10-10

Every Fixed Threshold

Fixed thresholds at Truxton Canyon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days401331934118
35 C (95 F): Days4083196051
40 C (104 F): Days331419611
90 F (32.2 C): Days40105196099
100 F (37.8 C): Days4039196017
0 C (32 F): Ice days (max15819374
0 C (32 F): Frost days (min34151192497
-10 C (14 F): Days with min272519497
20 C (68 F): Tropical nights (min343219118
25 C (77 F): Days with min5419241
10 mm (0.39 in): Days with 10 mm or more rain461719418
25 mm (0.98 in): Days with 25 mm or more rain33519211
50 mm (1.97 in): Days with 50 mm or more rain6219401
10 cm (3.9 in): Days with 10 cm or more snowfall8219321
25 cm (9.8 in): Days with 25 cm or more snowfall1119321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Truxton Canyon 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).