Catheys Vly Bull R Rch Weather Records (USC00041588)

Record envelope, standing records and threshold days for Catheys Vly Bull R Rch (USC00041588), California, United States, with 30 years of record.

Key Facts for Catheys Vly Bull R Rch

Catheys Vly Bull R Rch (USC00041588) is a weather station in California, United States at 37.40 latitude and -120.05 longitude, 436 m (1,430 ft) above sea level.
The station reports from 1948 to 1977, 30 years of record.
1,464 records set at Catheys Vly Bull R Rch still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: California, United States, 37.40 latitude, -120.05 longitude.
Elevation: 436 m (1,430 ft).
Period of record: 1948 to 1977, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Catheys Vly Bull R Rch. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Catheys Vly Bull R Rch, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	25.0 C (77.0 F)	-7.8 C (18.0 F)	n/a	n/a
Feb	25.6 C (78.1 F)	-6.1 C (21.0 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-6.7 C (19.9 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-3.3 C (26.1 F)	n/a	n/a
May	37.8 C (100.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jun	46.1 C (115.0 F)	2.2 C (36.0 F)	n/a	n/a
Jul	44.4 C (111.9 F)	6.7 C (44.1 F)	n/a	n/a
Aug	41.1 C (106.0 F)	6.7 C (44.1 F)	n/a	n/a
Sep	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	36.1 C (97.0 F)	-4.4 C (24.1 F)	n/a	n/a
Nov	31.1 C (88.0 F)	-6.7 C (19.9 F)	n/a	n/a
Dec	25.6 C (78.1 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Catheys Vly Bull R Rch still stand. 1972 holds the most, with 92.

Standing records at Catheys Vly Bull R Rch by the year they were set
Year set	Standing records
1954	6
1955	79
1956	66
1957	61
1958	71
1959	64
1960	76
1961	87
1962	64
1963	80
1964	73
1965	73
1966	58
1967	72
1968	51
1969	37
1970	49
1971	60
1972	92
1973	48
1974	48
1975	68
1976	55
1977	26

Wettest Day of Each Month

Nov: 156.0 mm (6.1 in)

The wettest day on record for each calendar month at Catheys Vly Bull R Rch. The most was 156.0 mm (6.1 in) on 18 November 1950.

Record daily precipitation for each month at Catheys Vly Bull R Rch
Month	Record daily precipitation (mm)	Date
Jan	61.0 mm (2.4 in)	21 January 1969
Feb	49.0 mm (1.9 in)	25 February 1958
Mar	45.7 mm (1.8 in)	16 March 1958
Apr	52.8 mm (2.1 in)	2 April 1974
May	35.1 mm (1.4 in)	19 May 1957
Jun	40.4 mm (1.6 in)	9 June 1970
Jul	16.8 mm (0.7 in)	9 July 1974
Aug	11.9 mm (0.5 in)	15 August 1976
Sep	70.4 mm (2.8 in)	19 September 1959
Oct	50.8 mm (2.0 in)	14 October 1962
Nov	156.0 mm (6.1 in)	18 November 1950
Dec	120.9 mm (4.8 in)	23 December 1955

Period of Record Coverage

1954 to 1977

24 years of record at Catheys Vly Bull R Rch, 1954 to 1977. 2 years have data for under 90 percent of days and are left out of rankings: 1954, 1977.

Days with data per year at Catheys Vly Bull R Rch
Year	Days with data	Share of year	Complete
1954	42	12%	No
1955	363	99%	Yes
1956	365	100%	Yes
1957	357	98%	Yes
1958	364	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	361	99%	Yes
1962	362	99%	Yes
1963	365	100%	Yes
1964	365	100%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	365	100%	Yes
1968	365	100%	Yes
1969	364	100%	Yes
1970	365	100%	Yes
1971	334	92%	Yes
1972	366	100%	Yes
1973	364	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	365	100%	Yes
1977	151	41%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

21 complete years, 1955 to 1976

One stripe for each of 21 complete years at Catheys Vly Bull R Rch, 1955 to 1976. Blue stripes are years cooler than the station's own mean of 15.4 C (59.6 F); red stripes are warmer. The coolest year was 1975, at 14.3 C (57.7 F), and the warmest was 1959, at 16.4 C (61.5 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Catheys Vly Bull R Rch as warming stripes, 1955 to 1976
Year	Annual mean temperature	Difference from the station mean
1955	15.0 C	-0.31 C
1956	15.1 C	-0.26 C
1957	15.3 C	-0.10 C
1958	16.3 C	+0.99 C
1959	16.4 C	+1.02 C
1960	15.9 C	+0.52 C
1961	15.8 C	+0.44 C
1962	15.2 C	-0.20 C
1963	14.5 C	-0.82 C
1964	15.0 C	-0.39 C
1965	14.6 C	-0.71 C
1966	15.8 C	+0.43 C
1967	15.2 C	-0.17 C
1968	15.6 C	+0.20 C
1969	15.2 C	-0.15 C
1970	15.8 C	+0.49 C
1972	15.5 C	+0.10 C
1973	15.5 C	+0.16 C
1974	15.7 C	+0.35 C
1975	14.3 C	-1.09 C
1976	14.9 C	-0.49 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1948 to 1977

Yearly extremes at Catheys Vly Bull R Rch: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.1 C (115.0 F)	1961	40.6 C (105.1 F)	24
Coldest night (TNn)	-10.0 C (14.0 F)	1967	-6.1 C (21.0 F)	24
Wettest day (Rx1day)	156.0 mm (6.1 in)	1950	44.1 mm (1.7 in)	28
Wettest five days (Rx5day)	257.8 mm (10.1 in)	1955	87.3 mm (3.4 in)	28
Longest dry spell (CDD)	189 days	1955	103 days	28

Hottest day (TXx)

The hottest day of the year at Catheys Vly Bull R Rch, 1948 to 1977. The record is 46.1 C (115.0 F) in 1961, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at Catheys Vly Bull R Rch by year
Year	Hottest day (TXx)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1954	21.1 C (70.0 F)
1955	42.8 C (109.0 F)
1956	40.6 C (105.1 F)
1957	41.7 C (107.1 F)
1958	38.9 C (102.0 F)
1959	42.8 C (109.0 F)
1960	44.4 C (111.9 F)
1961	46.1 C (115.0 F)
1962	38.9 C (102.0 F)
1963	40.6 C (105.1 F)
1964	41.7 C (107.1 F)
1965	38.9 C (102.0 F)
1966	40.0 C (104.0 F)
1967	40.6 C (105.1 F)
1968	40.6 C (105.1 F)
1969	39.4 C (102.9 F)
1970	40.6 C (105.1 F)
1971	40.6 C (105.1 F)
1972	43.3 C (109.9 F)
1973	41.7 C (107.1 F)
1974	40.6 C (105.1 F)
1975	41.1 C (106.0 F)
1976	40.6 C (105.1 F)
1977	32.8 C (91.0 F)

Coldest night (TNn)

The coldest night of the year at Catheys Vly Bull R Rch, 1948 to 1977. The record is -10.0 C (14.0 F) in 1967, marked on the chart; the median year is -6.1 C (21.0 F).

Coldest night (TNn) at Catheys Vly Bull R Rch by year
Year	Coldest night (TNn)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1954	-5.0 C (23.0 F)
1955	-3.9 C (25.0 F)
1956	-6.7 C (19.9 F)
1957	-7.2 C (19.0 F)
1958	-6.7 C (19.9 F)
1959	-5.0 C (23.0 F)
1960	-6.7 C (19.9 F)
1961	-7.8 C (18.0 F)
1962	-6.1 C (21.0 F)
1963	-6.7 C (19.9 F)
1964	-3.9 C (25.0 F)
1965	-5.6 C (21.9 F)
1966	-5.6 C (21.9 F)
1967	-10.0 C (14.0 F)
1968	-7.8 C (18.0 F)
1969	-6.1 C (21.0 F)
1970	-5.6 C (21.9 F)
1971	-5.0 C (23.0 F)
1972	-8.9 C (16.0 F)
1973	-5.0 C (23.0 F)
1974	-6.1 C (21.0 F)
1975	-6.7 C (19.9 F)
1976	-7.2 C (19.0 F)
1977	-5.0 C (23.0 F)

Wettest day (Rx1day)

The wettest day of the year at Catheys Vly Bull R Rch, 1948 to 1977. The record is 156.0 mm (6.1 in) in 1950, marked on the chart; the median year is 44.1 mm (1.7 in).

Wettest day (Rx1day) at Catheys Vly Bull R Rch by year
Year	Wettest day (Rx1day)
1948	27.7 mm (1.1 in)
1949	41.7 mm (1.6 in)
1950	156.0 mm (6.1 in)
1951	34.3 mm (1.4 in)
1954	25.4 mm (1.0 in)
1955	120.9 mm (4.8 in)
1956	28.7 mm (1.1 in)
1957	35.1 mm (1.4 in)
1958	50.0 mm (2.0 in)
1959	70.4 mm (2.8 in)
1960	45.0 mm (1.8 in)
1961	37.8 mm (1.5 in)
1962	70.1 mm (2.8 in)
1963	47.5 mm (1.9 in)
1964	64.5 mm (2.5 in)
1965	43.9 mm (1.7 in)
1966	49.5 mm (1.9 in)
1967	44.2 mm (1.7 in)
1968	33.5 mm (1.3 in)
1969	61.0 mm (2.4 in)
1970	47.5 mm (1.9 in)
1971	27.4 mm (1.1 in)
1972	46.0 mm (1.8 in)
1973	41.9 mm (1.6 in)
1974	52.8 mm (2.1 in)
1975	40.6 mm (1.6 in)
1976	33.8 mm (1.3 in)
1977	28.2 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Catheys Vly Bull R Rch, 1948 to 1977. The record is 257.8 mm (10.1 in) in 1955, marked on the chart; the median year is 87.3 mm (3.4 in).

Wettest five days (Rx5day) at Catheys Vly Bull R Rch by year
Year	Wettest five days (Rx5day)
1948	37.4 mm (1.5 in)
1949	51.6 mm (2.0 in)
1950	182.4 mm (7.2 in)
1951	53.4 mm (2.1 in)
1954	58.2 mm (2.3 in)
1955	257.8 mm (10.1 in)
1956	58.6 mm (2.3 in)
1957	74.4 mm (2.9 in)
1958	134.6 mm (5.3 in)
1959	82.6 mm (3.3 in)
1960	69.3 mm (2.7 in)
1961	67.7 mm (2.7 in)
1962	152.4 mm (6.0 in)
1963	123.9 mm (4.9 in)
1964	123.7 mm (4.9 in)
1965	120.6 mm (4.7 in)
1966	120.4 mm (4.7 in)
1967	92.0 mm (3.6 in)
1968	49.2 mm (1.9 in)
1969	128.5 mm (5.1 in)
1970	100.3 mm (3.9 in)
1971	57.9 mm (2.3 in)
1972	95.3 mm (3.8 in)
1973	102.3 mm (4.0 in)
1974	72.9 mm (2.9 in)
1975	120.0 mm (4.7 in)
1976	64.5 mm (2.5 in)
1977	50.8 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Catheys Vly Bull R Rch, 1948 to 1977. The record is 189 days in 1955, marked on the chart; the median year is 103 days.

Longest dry spell (CDD) at Catheys Vly Bull R Rch by year
Year	Longest dry spell (CDD)
1948	102 days
1949	84 days
1950	136 days
1951	143 days
1954	20 days
1955	189 days
1956	120 days
1957	72 days
1958	55 days
1959	139 days
1960	121 days
1961	75 days
1962	150 days
1963	111 days
1964	83 days
1965	146 days
1966	81 days
1967	104 days
1968	151 days
1969	163 days
1970	115 days
1971	64 days
1972	99 days
1973	175 days
1974	84 days
1975	55 days
1976	90 days
1977	35 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

21 years with a frost

Across 21 years with a frost, the median last spring frost at Catheys Vly Bull R Rch falls on 22 April and the median first autumn frost on 17 November, which leaves a median of 214 days between them.

Frost dates and growing season at Catheys Vly Bull R Rch
Measure	Median, all years	Earliest period	Recent period (1955 to 1976)	Recent against earliest	Fitted trend
Last spring frost	22 April	n/a	22 April	n/a	n/a
First autumn frost	17 November	n/a	17 November	n/a	n/a
Growing days	214 days	n/a	214 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Catheys Vly Bull R Rch standing records by year: CSV or JSON. Field meanings are on the data page.
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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).