Sacramento Mather AFB Weather Records (USW00023206)

Record envelope, standing records and threshold days for Sacramento Mather AFB (USW00023206), California, United States, with 78 years of record.

Key Facts for Sacramento Mather AFB

Sacramento Mather AFB (USW00023206) is a weather station in California, United States at 38.57 latitude and -121.30 longitude, 40 m (131 ft) above sea level.
The station reports from 1949 to 2026, 78 years of record.
1,464 records set at Sacramento Mather AFB 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, 38.57 latitude, -121.30 longitude.
Elevation: 40 m (131 ft).
Period of record: 1949 to 2026, 78 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

32 days at or beyond a record

The band shows the record high and record low for each calendar day at Sacramento Mather AFB. The lines show the 2026 daily maximum and minimum. 32 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Sacramento Mather AFB, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	20.6 C (69.1 F)	-6.1 C (21.0 F)	19.0 C (66.2 F)	-4.0 C (24.8 F)
Feb	23.9 C (75.0 F)	-3.9 C (25.0 F)	23.0 C (73.4 F)	-1.0 C (30.2 F)
Mar	29.0 C (84.2 F)	-1.7 C (28.9 F)	29.0 C (84.2 F)	2.0 C (35.6 F)
Apr	33.3 C (91.9 F)	1.1 C (34.0 F)	30.0 C (86.0 F)	3.0 C (37.4 F)
May	38.9 C (102.0 F)	3.3 C (37.9 F)	38.0 C (100.4 F)	7.0 C (44.6 F)
Jun	43.9 C (111.0 F)	6.1 C (43.0 F)	38.0 C (100.4 F)	10.0 C (50.0 F)
Jul	42.8 C (109.0 F)	9.4 C (48.9 F)	39.0 C (102.2 F)	10.0 C (50.0 F)
Aug	43.3 C (109.9 F)	10.0 C (50.0 F)	39.0 C (102.2 F)	12.0 C (53.6 F)
Sep	43.9 C (111.0 F)	7.2 C (45.0 F)	38.0 C (100.4 F)	13.0 C (55.4 F)
Oct	38.3 C (100.9 F)	2.2 C (36.0 F)	32.0 C (89.6 F)	8.0 C (46.4 F)
Nov	29.4 C (84.9 F)	-2.8 C (27.0 F)	26.0 C (78.8 F)	3.0 C (37.4 F)
Dec	22.2 C (72.0 F)	-4.4 C (24.1 F)	18.0 C (64.4 F)	1.0 C (33.8 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Sacramento Mather AFB still stand. 1950 holds the most, with 101.

Standing records at Sacramento Mather AFB by the year they were set
Year set	Standing records
1949	90
1950	101
1951	71
1952	64
1953	60
1954	58
1955	68
1956	50
1957	61
1958	61
1959	55
1960	60
1961	70
1962	53
1963	79
1964	89
1965	62
1966	58
1967	63
1968	48
1969	44
1970	54
2025	45

Wettest Day of Each Month

Oct: 110.7 mm (4.4 in)

The wettest day on record for each calendar month at Sacramento Mather AFB. The most was 110.7 mm (4.4 in) on 13 October 1962.

Record daily precipitation for each month at Sacramento Mather AFB
Month	Record daily precipitation (mm)	Date
Jan	67.1 mm (2.6 in)	21 January 1967
Feb	75.7 mm (3.0 in)	9 February 1962
Mar	47.8 mm (1.9 in)	27 March 1963
Apr	110.2 mm (4.3 in)	25 April 1959
May	24.9 mm (1.0 in)	10 May 1963
Jun	20.1 mm (0.8 in)	16 June 1969
Jul	14.2 mm (0.6 in)	9 July 1967
Aug	14.2 mm (0.6 in)	11 August 1965
Sep	47.5 mm (1.9 in)	18 September 1959
Oct	110.7 mm (4.4 in)	13 October 1962
Nov	66.3 mm (2.6 in)	28 November 1970
Dec	55.4 mm (2.2 in)	9 December 1954

Period of Record Coverage

1949 to 2025

23 years of record at Sacramento Mather AFB, 1949 to 2025. Every year has data for at least 90 percent of its days.

Days with data per year at Sacramento Mather AFB
Year	Days with data	Share of year	Complete
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	364	99%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
2025	353	97%	Yes

Latest Records

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

Climate Trend

23 complete years, 1949 to 2025

One stripe for each of 23 complete years at Sacramento Mather AFB, 1949 to 2025. Blue stripes are years cooler than the station's own mean of 16.2 C (61.2 F); red stripes are warmer. The coolest year was 1963, at 15.1 C (59.2 F), and the warmest was 1958, at 17.3 C (63.2 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Sacramento Mather AFB as warming stripes, 1949 to 2025
Year	Annual mean temperature	Difference from the station mean
1949	15.9 C	-0.31 C
1950	16.8 C	+0.55 C
1951	16.0 C	-0.25 C
1952	16.3 C	+0.04 C
1953	16.3 C	+0.04 C
1954	15.7 C	-0.51 C
1955	15.8 C	-0.41 C
1956	16.1 C	-0.15 C
1957	16.3 C	+0.10 C
1958	17.3 C	+1.10 C
1959	17.3 C	+1.07 C
1960	16.6 C	+0.39 C
1961	15.9 C	-0.34 C
1962	15.4 C	-0.86 C
1963	15.1 C	-1.13 C
1964	15.6 C	-0.65 C
1965	15.4 C	-0.84 C
1966	16.6 C	+0.39 C
1967	16.3 C	+0.02 C
1968	16.0 C	-0.25 C
1969	16.8 C	+0.54 C
1970	17.0 C	+0.79 C
2025	17.0 C	+0.72 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

1949 to 2026

Yearly extremes at Sacramento Mather AFB: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.9 C (111.0 F)	1950	40.7 C (105.3 F)	24
Coldest night (TNn)	-6.1 C (21.0 F)	1963	-2.2 C (28.0 F)	24
Wettest day (Rx1day)	110.7 mm (4.4 in)	1962	39.9 mm (1.6 in)	23
Wettest five days (Rx5day)	220.0 mm (8.7 in)	1962	89.2 mm (3.5 in)	22
Longest dry spell (CDD)	150 days	1951	112 days	23

Hottest day (TXx)

The hottest day of the year at Sacramento Mather AFB, 1949 to 2026. The record is 43.9 C (111.0 F) in 1950, marked on the chart; the median year is 40.7 C (105.3 F).

Hottest day (TXx) at Sacramento Mather AFB by year
Year	Hottest day (TXx)
1949	39.4 C (102.9 F)
1950	43.9 C (111.0 F)
1951	40.0 C (104.0 F)
1952	40.0 C (104.0 F)
1953	40.0 C (104.0 F)
1954	42.2 C (108.0 F)
1955	42.2 C (108.0 F)
1956	41.1 C (106.0 F)
1957	41.1 C (106.0 F)
1958	39.4 C (102.9 F)
1959	40.6 C (105.1 F)
1960	42.2 C (108.0 F)
1961	43.9 C (111.0 F)
1962	38.9 C (102.0 F)
1963	38.9 C (102.0 F)
1964	39.4 C (102.9 F)
1965	37.8 C (100.0 F)
1966	41.7 C (107.1 F)
1967	41.1 C (106.0 F)
1968	40.6 C (105.1 F)
1969	41.7 C (107.1 F)
1970	41.7 C (107.1 F)
2025	39.0 C (102.2 F)
2026	40.8 C (105.4 F)

Coldest night (TNn)

The coldest night of the year at Sacramento Mather AFB, 1949 to 2026. The record is -6.1 C (21.0 F) in 1963, marked on the chart; the median year is -2.2 C (28.0 F).

Coldest night (TNn) at Sacramento Mather AFB by year
Year	Coldest night (TNn)
1949	-5.6 C (21.9 F)
1950	-3.9 C (25.0 F)
1951	-1.7 C (28.9 F)
1952	-2.8 C (27.0 F)
1953	0.0 C (32.0 F)
1954	-1.1 C (30.0 F)
1955	-1.1 C (30.0 F)
1956	-2.2 C (28.0 F)
1957	-2.2 C (28.0 F)
1958	-1.1 C (30.0 F)
1959	-2.2 C (28.0 F)
1960	-2.8 C (27.0 F)
1961	-2.2 C (28.0 F)
1962	-5.6 C (21.9 F)
1963	-6.1 C (21.0 F)
1964	-2.2 C (28.0 F)
1965	-4.4 C (24.1 F)
1966	-2.2 C (28.0 F)
1967	-2.8 C (27.0 F)
1968	-6.1 C (21.0 F)
1969	-2.2 C (28.0 F)
1970	-2.2 C (28.0 F)
2025	-4.0 C (24.8 F)
2026	-1.0 C (30.2 F)

Wettest day (Rx1day)

The wettest day of the year at Sacramento Mather AFB, 1949 to 2026. The record is 110.7 mm (4.4 in) in 1962, marked on the chart; the median year is 39.9 mm (1.6 in).

Wettest day (Rx1day) at Sacramento Mather AFB by year
Year	Wettest day (Rx1day)
1949	32.3 mm (1.3 in)
1950	57.9 mm (2.3 in)
1951	30.2 mm (1.2 in)
1952	40.6 mm (1.6 in)
1953	38.6 mm (1.5 in)
1954	55.4 mm (2.2 in)
1955	33.8 mm (1.3 in)
1956	39.4 mm (1.6 in)
1957	26.2 mm (1.0 in)
1958	41.1 mm (1.6 in)
1959	110.2 mm (4.3 in)
1960	25.9 mm (1.0 in)
1961	39.4 mm (1.6 in)
1962	110.7 mm (4.4 in)
1963	47.8 mm (1.9 in)
1964	61.5 mm (2.4 in)
1965	29.5 mm (1.2 in)
1966	31.8 mm (1.3 in)
1967	67.1 mm (2.6 in)
1968	39.9 mm (1.6 in)
1969	54.9 mm (2.2 in)
1970	66.3 mm (2.6 in)
2025	n/a
2026	1.3 mm (0.05 in)

Wettest five days (Rx5day)

The wettest five days of the year at Sacramento Mather AFB, 1949 to 2026. The record is 220.0 mm (8.7 in) in 1962, marked on the chart; the median year is 89.2 mm (3.5 in).

Wettest five days (Rx5day) at Sacramento Mather AFB by year
Year	Wettest five days (Rx5day)
1949	50.1 mm (2.0 in)
1950	103.2 mm (4.1 in)
1951	52.4 mm (2.1 in)
1952	102.8 mm (4.0 in)
1953	51.3 mm (2.0 in)
1954	68.1 mm (2.7 in)
1955	88.4 mm (3.5 in)
1956	62.6 mm (2.5 in)
1957	59.7 mm (2.4 in)
1958	100.0 mm (3.9 in)
1959	111.7 mm (4.4 in)
1960	63.5 mm (2.5 in)
1961	89.9 mm (3.5 in)
1962	220.0 mm (8.7 in)
1963	105.5 mm (4.2 in)
1964	138.4 mm (5.4 in)
1965	63.8 mm (2.5 in)
1966	77.3 mm (3.0 in)
1967	107.1 mm (4.2 in)
1968	53.6 mm (2.1 in)
1969	133.1 mm (5.2 in)
1970	133.3 mm (5.2 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Sacramento Mather AFB, 1949 to 2026. The record is 150 days in 1951, marked on the chart; the median year is 112 days.

Longest dry spell (CDD) at Sacramento Mather AFB by year
Year	Longest dry spell (CDD)
1949	143 days
1950	137 days
1951	150 days
1952	136 days
1953	83 days
1954	108 days
1955	129 days
1956	131 days
1957	129 days
1958	101 days
1959	144 days
1960	101 days
1961	127 days
1962	74 days
1963	124 days
1964	76 days
1965	112 days
1966	98 days
1967	84 days
1968	72 days
1969	83 days
1970	132 days
2025	n/a
2026	1 day

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.

Download the Data

Data for Sacramento Mather AFB standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sacramento Mather AFB 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 2026-10-16 (16 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).