Norton AFB Weather Records (USW00023122)

Record envelope, standing records and threshold days for Norton AFB (USW00023122), California, United States, with 78 years of record.

Key Facts for Norton AFB

Norton AFB (USW00023122) is a weather station in California, United States at 34.10 latitude and -117.25 longitude, 339 m (1,112 ft) above sea level.
The station reports from 1949 to 2026, 78 years of record.
1,464 records set at Norton 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, 34.10 latitude, -117.25 longitude.
Elevation: 339 m (1,112 ft).
Period of record: 1949 to 2026, 78 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

34 days at or beyond a record

The band shows the record high and record low for each calendar day at Norton AFB. The lines show the 2026 daily maximum and minimum. 34 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Norton AFB, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.0 C (86.0 F)	-6.7 C (19.9 F)	28.0 C (82.4 F)	0.0 C (32.0 F)
Feb	31.7 C (89.1 F)	-3.3 C (26.1 F)	31.0 C (87.8 F)	5.2 C (41.4 F)
Mar	35.0 C (95.0 F)	-1.7 C (28.9 F)	33.0 C (91.4 F)	3.7 C (38.7 F)
Apr	37.2 C (99.0 F)	0.0 C (32.0 F)	33.0 C (91.4 F)	6.0 C (42.8 F)
May	40.0 C (104.0 F)	2.2 C (36.0 F)	39.0 C (102.2 F)	10.0 C (50.0 F)
Jun	44.4 C (111.9 F)	4.4 C (39.9 F)	38.0 C (100.4 F)	13.3 C (55.9 F)
Jul	42.8 C (109.0 F)	10.0 C (50.0 F)	39.0 C (102.2 F)	14.9 C (58.8 F)
Aug	43.3 C (109.9 F)	8.9 C (48.0 F)	41.0 C (105.8 F)	16.3 C (61.3 F)
Sep	45.0 C (113.0 F)	6.7 C (44.1 F)	38.0 C (100.4 F)	15.0 C (59.0 F)
Oct	40.6 C (105.1 F)	1.7 C (35.1 F)	35.0 C (95.0 F)	9.0 C (48.2 F)
Nov	34.4 C (93.9 F)	-2.8 C (27.0 F)	34.0 C (93.2 F)	5.5 C (41.9 F)
Dec	31.0 C (87.8 F)	-4.4 C (24.1 F)	31.0 C (87.8 F)	3.0 C (37.4 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Norton AFB still stand. 2025 holds the most, with 118.

Standing records at Norton AFB by the year they were set
Year set	Standing records
1949	108
1950	74
1951	61
1952	41
1953	70
1954	63
1955	84
1956	53
1957	65
1958	46
1959	64
1960	53
1961	36
1962	61
1963	51
1964	76
1965	74
1966	51
1967	78
1968	57
1969	41
1970	39
2025	118

Wettest Day of Each Month

Jan: 102.4 mm (4.0 in)

The wettest day on record for each calendar month at Norton AFB. The most was 102.4 mm (4.0 in) on 26 January 1956.

Record daily precipitation for each month at Norton AFB
Month	Record daily precipitation (mm)	Date
Jan	102.4 mm (4.0 in)	26 January 1956
Feb	58.4 mm (2.3 in)	25 February 1969
Mar	38.6 mm (1.5 in)	15 March 1952
Apr	40.1 mm (1.6 in)	1 April 1958
May	21.1 mm (0.8 in)	11 May 1957
Jun	9.1 mm (0.36 in)	11 June 1963
Jul	8.6 mm (0.34 in)	25 July 1956
Aug	15.2 mm (0.6 in)	17 August 1966
Sep	47.0 mm (1.9 in)	17 September 1963
Oct	23.4 mm (0.9 in)	25 October 1951
Nov	96.3 mm (3.8 in)	22 November 1965
Dec	99.8 mm (3.9 in)	5 December 1966

Period of Record Coverage

1949 to 2025

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

Days with data per year at Norton AFB
Year	Days with data	Share of year	Complete
1949	365	100%	Yes
1950	354	97%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	363	99%	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	365	100%	Yes
1969	334	92%	Yes
1970	365	100%	Yes
2025	354	97%	Yes

Latest Records

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

Climate Trend

22 complete years, 1949 to 2025

One stripe for each of 22 complete years at Norton AFB, 1949 to 2025. Blue stripes are years cooler than the station's own mean of 17.5 C (63.5 F); red stripes are warmer. The coolest year was 1964, at 16.3 C (61.3 F), and the warmest was 2025, at 19.8 C (67.6 F). The strongest colour marks a difference of 2.3 C (4.1 F).

Annual mean temperature at Norton AFB as warming stripes, 1949 to 2025
Year	Annual mean temperature	Difference from the station mean
1949	16.8 C	-0.75 C
1950	17.6 C	+0.12 C
1951	17.2 C	-0.34 C
1952	17.1 C	-0.39 C
1953	17.2 C	-0.37 C
1954	17.4 C	-0.13 C
1955	17.1 C	-0.44 C
1956	17.2 C	-0.29 C
1957	17.3 C	-0.18 C
1958	18.2 C	+0.69 C
1959	18.6 C	+1.09 C
1960	17.9 C	+0.35 C
1961	17.8 C	+0.30 C
1962	17.4 C	-0.08 C
1963	17.6 C	+0.03 C
1964	16.3 C	-1.27 C
1965	16.8 C	-0.75 C
1966	17.5 C	-0.03 C
1967	17.2 C	-0.33 C
1968	17.7 C	+0.15 C
1970	17.8 C	+0.29 C
2025	19.8 C	+2.25 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 Norton AFB: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	1955	41.7 C (107.1 F)	24
Coldest night (TNn)	-6.7 C (19.9 F)	1949	-2.8 C (27.0 F)	24
Wettest day (Rx1day)	102.4 mm (4.0 in)	1956	37.6 mm (1.5 in)	22
Wettest five days (Rx5day)	196.1 mm (7.7 in)	1966	64.6 mm (2.5 in)	22
Longest dry spell (CDD)	176 days	1950	103 days	22

Hottest day (TXx)

The hottest day of the year at Norton AFB, 1949 to 2026. The record is 45.0 C (113.0 F) in 1955, marked on the chart; the median year is 41.7 C (107.1 F).

Hottest day (TXx) at Norton AFB by year
Year	Hottest day (TXx)
1949	41.1 C (106.0 F)
1950	42.2 C (108.0 F)
1951	40.0 C (104.0 F)
1952	40.0 C (104.0 F)
1953	41.7 C (107.1 F)
1954	40.6 C (105.1 F)
1955	45.0 C (113.0 F)
1956	41.1 C (106.0 F)
1957	42.2 C (108.0 F)
1958	42.8 C (109.0 F)
1959	42.2 C (108.0 F)
1960	42.8 C (109.0 F)
1961	44.4 C (111.9 F)
1962	42.2 C (108.0 F)
1963	41.1 C (106.0 F)
1964	41.1 C (106.0 F)
1965	40.6 C (105.1 F)
1966	40.6 C (105.1 F)
1967	43.3 C (109.9 F)
1968	41.1 C (106.0 F)
1969	41.7 C (107.1 F)
1970	43.3 C (109.9 F)
2025	41.0 C (105.8 F)
2026	43.0 C (109.4 F)

Coldest night (TNn)

The coldest night of the year at Norton AFB, 1949 to 2026. The record is -6.7 C (19.9 F) in 1949, marked on the chart; the median year is -2.8 C (27.0 F).

Coldest night (TNn) at Norton AFB by year
Year	Coldest night (TNn)
1949	-6.7 C (19.9 F)
1950	-3.9 C (25.0 F)
1951	-2.2 C (28.0 F)
1952	-1.7 C (28.9 F)
1953	-2.8 C (27.0 F)
1954	-3.9 C (25.0 F)
1955	-2.2 C (28.0 F)
1956	-2.2 C (28.0 F)
1957	-2.2 C (28.0 F)
1958	-2.8 C (27.0 F)
1959	0.6 C (33.1 F)
1960	-3.3 C (26.1 F)
1961	-1.7 C (28.9 F)
1962	-3.3 C (26.1 F)
1963	-4.4 C (24.1 F)
1964	-3.3 C (26.1 F)
1965	-3.3 C (26.1 F)
1966	-2.8 C (27.0 F)
1967	-2.8 C (27.0 F)
1968	-4.4 C (24.1 F)
1969	0.6 C (33.1 F)
1970	-3.9 C (25.0 F)
2025	0.0 C (32.0 F)
2026	1.5 C (34.7 F)

Wettest day (Rx1day)

The wettest day of the year at Norton AFB, 1949 to 2026. The record is 102.4 mm (4.0 in) in 1956, marked on the chart; the median year is 37.6 mm (1.5 in).

Wettest day (Rx1day) at Norton AFB by year
Year	Wettest day (Rx1day)
1949	36.1 mm (1.4 in)
1950	40.4 mm (1.6 in)
1951	61.7 mm (2.4 in)
1952	47.0 mm (1.9 in)
1953	31.5 mm (1.2 in)
1954	50.3 mm (2.0 in)
1955	29.2 mm (1.1 in)
1956	102.4 mm (4.0 in)
1957	32.0 mm (1.3 in)
1958	42.2 mm (1.7 in)
1959	26.7 mm (1.1 in)
1960	24.6 mm (1.0 in)
1961	37.1 mm (1.5 in)
1962	26.9 mm (1.1 in)
1963	50.3 mm (2.0 in)
1964	31.2 mm (1.2 in)
1965	96.3 mm (3.8 in)
1966	99.8 mm (3.9 in)
1967	38.1 mm (1.5 in)
1968	35.3 mm (1.4 in)
1969	77.7 mm (3.1 in)
1970	33.5 mm (1.3 in)
2025	n/a
2026	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Norton AFB, 1949 to 2026. The record is 196.1 mm (7.7 in) in 1966, marked on the chart; the median year is 64.6 mm (2.5 in).

Wettest five days (Rx5day) at Norton AFB by year
Year	Wettest five days (Rx5day)
1949	50.1 mm (2.0 in)
1950	57.2 mm (2.3 in)
1951	104.1 mm (4.1 in)
1952	104.1 mm (4.1 in)
1953	33.0 mm (1.3 in)
1954	72.0 mm (2.8 in)
1955	54.9 mm (2.2 in)
1956	141.5 mm (5.6 in)
1957	57.1 mm (2.2 in)
1958	83.4 mm (3.3 in)
1959	50.3 mm (2.0 in)
1960	48.2 mm (1.9 in)
1961	41.0 mm (1.6 in)
1962	50.0 mm (2.0 in)
1963	89.1 mm (3.5 in)
1964	44.4 mm (1.7 in)
1965	137.7 mm (5.4 in)
1966	196.1 mm (7.7 in)
1967	76.8 mm (3.0 in)
1968	47.8 mm (1.9 in)
1969	163.8 mm (6.4 in)
1970	75.1 mm (3.0 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Norton AFB, 1949 to 2026. The record is 176 days in 1950, marked on the chart; the median year is 103 days.

Longest dry spell (CDD) at Norton AFB by year
Year	Longest dry spell (CDD)
1949	150 days
1950	176 days
1951	105 days
1952	142 days
1953	160 days
1954	108 days
1955	95 days
1956	76 days
1957	122 days
1958	93 days
1959	110 days
1960	120 days
1961	107 days
1962	143 days
1963	56 days
1964	59 days
1965	57 days
1966	100 days
1967	77 days
1968	66 days
1969	41 days
1970	90 days
2025	n/a
2026	n/a

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 Norton AFB standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Norton 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).