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.

Days at or above 30 C (86 F)

10 years with a qualifying day

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.

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
Year	First date	Last date
1958	1958-05-08	1958-09-07
1959	1959-05-13	1959-09-11
1960	1960-06-22	1960-09-13
1962	1962-06-07	1962-09-06
1963	1963-05-20	1963-09-11
1964	1964-06-09	1964-08-22
1965	1965-06-05	1965-08-23
1966	1966-05-05	1966-09-05
1967	1967-06-01	1967-09-21
1968	1968-05-17	1968-09-09

Every Fixed Threshold

Fixed thresholds at Ashcroft
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	10	74	1958	30
35 C (95 F): Days	10	28	1958	11
40 C (104 F): Days	2	2	1965	2
90 F (32.2 C): Days	10	54	1958	16
100 F (37.8 C): Days	6	7	1960	1
0 C (32 F): Ice days (max	10	52	1960	34
0 C (32 F): Frost days (min	10	155	1964	139
-10 C (14 F): Days with min	10	32	1960	30
-20 C (-4 F): Days with min	8	10	1964	5
-30 C (-22 F): Days with min	1	3	1968	3
20 C (68 F): Tropical nights (min	6	5	1958	2
10 mm (0.39 in): Days with 10 mm or more rain	38	10	1954	2
25 mm (0.98 in): Days with 25 mm or more rain	2	1	1936	1
10 cm (3.9 in): Days with 10 cm or more snowfall	22	4	1952	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1936	1

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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Ashcroft Threshold Days by Year (CA001160510)

Key Facts for Ashcroft Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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