Built 2026-10-19 (19 October 2026)

Ashcroft Threshold Days by Year (CA001160510)

15 fixed thresholds counted per year at Ashcroft (CA001160510): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashcroft Thresholds

  • Ashcroft: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1954 with 10.
  • Ashcroft: days with 10 cm (3.9 in) or more of snowfall in 22 years, most in 1952 with 4.
  • Ashcroft: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 1958 with 74.
  • Ashcroft: days with a maximum temperature at or above 35 C (95 F) in 10 years, most in 1958 with 28.
  • 15 fixed thresholds have at least one qualifying day at Ashcroft.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Ashcroft Days per year at Ashcroft with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1958. 0204060801958: 741959: 261960: 461962: 301963: 401964: 171965: 341966: 221967: 651968: 301958195919601962196319641965196619671968
Days per year at Ashcroft with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1958.
Days at or above 30 C (86 F) per year at Ashcroft
YearDaysDecade average
19587450
19592650
19604635.5
19623035.5
19634035.5
19641735.5
19653435.5
19662235.5
19676535.5
19683035.5
First to last qualifying date each year at Ashcroft For each year, a bar from the first to the last day at Ashcroft meeting 30 C (86 F). 1958: 8 May 1958 to 7 September 19581959: 13 May 1959 to 11 September 19591960: 22 June 1960 to 13 September 19601962: 7 June 1962 to 6 September 19621963: 20 May 1963 to 11 September 19631964: 9 June 1964 to 22 August 19641965: 5 June 1965 to 23 August 19651966: 5 May 1966 to 5 September 19661967: 1 June 1967 to 21 September 19671968: 17 May 1968 to 9 September 196819581960196319651967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ashcroft meeting 30 C (86 F).
First to last qualifying date each year at Ashcroft
YearFirst dateLast date
19581958-05-081958-09-07
19591959-05-131959-09-11
19601960-06-221960-09-13
19621962-06-071962-09-06
19631963-05-201963-09-11
19641964-06-091964-08-22
19651965-06-051965-08-23
19661966-05-051966-09-05
19671967-06-011967-09-21
19681968-05-171968-09-09

Every Fixed Threshold

Fixed thresholds at Ashcroft
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1074195830
35 C (95 F): Days1028195811
40 C (104 F): Days2219652
90 F (32.2 C): Days1054195816
100 F (37.8 C): Days6719601
0 C (32 F): Ice days (max1052196034
0 C (32 F): Frost days (min101551964139
-10 C (14 F): Days with min1032196030
-20 C (-4 F): Days with min81019645
-30 C (-22 F): Days with min1319683
20 C (68 F): Tropical nights (min6519582
10 mm (0.39 in): Days with 10 mm or more rain381019542
25 mm (0.98 in): Days with 25 mm or more rain2119361
10 cm (3.9 in): Days with 10 cm or more snowfall22419521
25 cm (9.8 in): Days with 25 cm or more snowfall1119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Ashcroft 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).