Catheys Vly Bull R Rch Threshold Days by Year (USC00041588)

15 fixed thresholds counted per year at Catheys Vly Bull R Rch (USC00041588): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Catheys Vly Bull R Rch Thresholds

Catheys Vly Bull R Rch: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1969 with 28.
Catheys Vly Bull R Rch: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1963 with 11.
Catheys Vly Bull R Rch: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1974 with 125.
Catheys Vly Bull R Rch: days with a maximum temperature at or above 35 C (95 F) in 22 years, most in 1960 with 79.
15 fixed thresholds have at least one qualifying day at Catheys Vly Bull R Rch.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Catheys Vly Bull R Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 125 in 1974.

Days at or above 30 C (86 F) per year at Catheys Vly Bull R Rch
Year	Days	Decade average
1955	109	108.4
1956	110	108.4
1957	96	108.4
1958	115	108.4
1959	112	108.4
1960	124	107.5
1961	113	107.5
1962	111	107.5
1963	90	107.5
1964	108	107.5
1965	100	107.5
1966	96	107.5
1967	117	107.5
1968	111	107.5
1969	105	107.5
1970	116	105.3
1971	81	105.3
1972	108	105.3
1973	113	105.3
1974	125	105.3
1975	113	105.3
1976	81	105.3

For each year, a bar from the first to the last day at Catheys Vly Bull R Rch meeting 30 C (86 F).

First to last qualifying date each year at Catheys Vly Bull R Rch
Year	First date	Last date
1955	1955-05-20	1955-10-18
1956	1956-05-17	1956-10-03
1957	1957-04-30	1957-09-27
1958	1958-05-05	1958-10-18
1959	1959-04-24	1959-10-26
1960	1960-05-11	1960-10-22
1961	1961-06-05	1961-10-19
1962	1962-04-14	1962-10-02
1963	1963-05-18	1963-10-04
1964	1964-04-15	1964-10-23
1965	1965-04-28	1965-10-27
1966	1966-04-26	1966-11-03
1967	1967-05-17	1967-10-21
1968	1968-04-29	1968-10-29
1969	1969-05-11	1969-10-02
1970	1970-05-04	1970-10-12
1971	1971-05-25	1971-10-14
1972	1972-04-28	1972-10-08
1973	1973-05-11	1973-10-19
1974	1974-05-08	1974-10-19
1975	1975-05-14	1975-10-06
1976	1976-05-11	1976-10-14

Every Fixed Threshold

Fixed thresholds at Catheys Vly Bull R Rch
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	125	1974	81
35 C (95 F): Days	22	79	1960	37
40 C (104 F): Days	18	23	1961	1
45 C (113 F): Days	1	1	1961	1
90 F (32.2 C): Days	22	110	1960	61
100 F (37.8 C): Days	22	48	1961	10
110 F (43.3 C): Days	3	6	1961	2
0 C (32 F): Frost days (min	22	69	1975	62
-10 C (14 F): Days with min	1	1	1967	1
20 C (68 F): Tropical nights (min	21	29	1961	5
25 C (77 F): Days with min	1	1	1960	1
10 mm (0.39 in): Days with 10 mm or more rain	24	28	1969	15
25 mm (0.98 in): Days with 25 mm or more rain	24	11	1963	1
50 mm (1.97 in): Days with 50 mm or more rain	8	3	1969	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Catheys Vly Bull R Rch 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Catheys Vly Bull R Rch Threshold Days by Year (USC00041588)

Key Facts for Catheys Vly Bull R Rch Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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