Altus AFB Weather Records (USW00013902)

Record envelope, standing records and threshold days for Altus AFB (USW00013902), Oklahoma, United States, with 74 years of record.

Key Facts for Altus AFB

Altus AFB (USW00013902) is a weather station in Oklahoma, United States at 34.65 latitude and -99.27 longitude, 414 m (1,358 ft) above sea level.
The station reports from 1953 to 2026, 74 years of record.
1,464 records set at Altus AFB still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Oklahoma, United States, 34.65 latitude, -99.27 longitude.
Elevation: 414 m (1,358 ft).
Period of record: 1953 to 2026, 74 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

44 days at or beyond a record

The band shows the record high and record low for each calendar day at Altus AFB. The lines show the 2026 daily maximum and minimum. 44 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Altus AFB, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-20.0 C (-4.0 F)	23.6 C (74.5 F)	-14.1 C (6.6 F)
Feb	32.8 C (91.0 F)	-13.9 C (7.0 F)	29.5 C (85.1 F)	-13.9 C (7.0 F)
Mar	35.0 C (95.0 F)	-13.3 C (8.1 F)	32.1 C (89.8 F)	-0.4 C (31.3 F)
Apr	37.8 C (100.0 F)	-3.3 C (26.1 F)	35.8 C (96.4 F)	0.3 C (32.5 F)
May	39.4 C (102.9 F)	3.3 C (37.9 F)	36.3 C (97.3 F)	9.3 C (48.7 F)
Jun	42.2 C (108.0 F)	9.4 C (48.9 F)	36.6 C (97.9 F)	15.8 C (60.4 F)
Jul	42.8 C (109.0 F)	14.4 C (57.9 F)	39.6 C (103.3 F)	20.0 C (68.0 F)
Aug	43.3 C (109.9 F)	12.2 C (54.0 F)	40.0 C (104.0 F)	18.7 C (65.7 F)
Sep	40.0 C (104.0 F)	6.1 C (43.0 F)	37.1 C (98.8 F)	12.5 C (54.5 F)
Oct	36.7 C (98.1 F)	-2.2 C (28.0 F)	33.4 C (92.1 F)	-1.3 C (29.7 F)
Nov	31.7 C (89.1 F)	-9.4 C (15.1 F)	31.3 C (88.3 F)	-4.2 C (24.4 F)
Dec	30.6 C (87.1 F)	-13.9 C (7.0 F)	30.4 C (86.7 F)	-7.4 C (18.7 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Altus AFB still stand. 1954 holds the most, with 111.

Standing records at Altus AFB by the year they were set
Year set	Standing records
1953	7
1954	111
1955	73
1956	94
1957	69
1958	86
1959	90
1960	73
1961	84
1962	74
1963	79
1964	78
1965	64
1966	103
1967	86
1968	61
1969	68
1970	92
2025	72

Wettest Day of Each Month

Sep: 166.1 mm (6.5 in)

The wettest day on record for each calendar month at Altus AFB. The most was 166.1 mm (6.5 in) on 19 September 1965.

Record daily precipitation for each month at Altus AFB
Month	Record daily precipitation (mm)	Date
Jan	59.7 mm (2.4 in)	28 January 1958
Feb	40.6 mm (1.6 in)	3 February 1964
Mar	43.7 mm (1.7 in)	16 March 1961
Apr	49.3 mm (1.9 in)	20 April 1957
May	138.4 mm (5.4 in)	22 May 1959
Jun	86.4 mm (3.4 in)	21 June 1959
Jul	64.5 mm (2.5 in)	14 July 1968
Aug	54.1 mm (2.1 in)	17 August 1967
Sep	166.1 mm (6.5 in)	19 September 1965
Oct	81.5 mm (3.2 in)	4 October 1955
Nov	33.5 mm (1.3 in)	1 November 1961
Dec	36.6 mm (1.4 in)	23 December 1965

Period of Record Coverage

1953 to 2025

19 years of record at Altus AFB, 1953 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1953.

Days with data per year at Altus AFB
Year	Days with data	Share of year	Complete
1953	55	15%	No
1954	365	100%	Yes
1955	365	100%	Yes
1956	359	98%	Yes
1957	362	99%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	363	99%	Yes
1964	366	100%	Yes
1965	363	99%	Yes
1966	365	100%	Yes
1967	364	100%	Yes
1968	364	99%	Yes
1969	364	100%	Yes
1970	363	99%	Yes
2025	358	98%	Yes

Latest Records

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

Climate Trend

18 complete years, 1954 to 2025

One stripe for each of 18 complete years at Altus AFB, 1954 to 2025. Blue stripes are years cooler than the station's own mean of 16.7 C (62.1 F); red stripes are warmer. The coolest year was 1966, at 15.7 C (60.2 F), and the warmest was 1954, at 18.3 C (64.9 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Altus AFB as warming stripes, 1954 to 2025
Year	Annual mean temperature	Difference from the station mean
1954	18.3 C	+1.57 C
1955	17.0 C	+0.31 C
1956	18.0 C	+1.24 C
1957	16.4 C	-0.29 C
1958	16.5 C	-0.26 C
1959	16.5 C	-0.21 C
1960	16.3 C	-0.48 C
1961	16.0 C	-0.71 C
1962	16.4 C	-0.36 C
1963	17.3 C	+0.52 C
1964	17.0 C	+0.26 C
1965	16.8 C	+0.05 C
1966	15.7 C	-1.07 C
1967	16.3 C	-0.40 C
1968	15.8 C	-0.91 C
1969	16.4 C	-0.32 C
1970	16.3 C	-0.48 C
2025	18.2 C	+1.47 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

1953 to 2026

Yearly extremes at Altus AFB: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	44.7 C (112.5 F)	2026	40.6 C (105.1 F)	20
Coldest night (TNn)	-20.0 C (-4.0 F)	1966	-13.3 C (8.1 F)	20
Wettest day (Rx1day)	166.1 mm (6.5 in)	1965	63.8 mm (2.5 in)	19
Wettest five days (Rx5day)	182.6 mm (7.2 in)	1965	99.3 mm (3.9 in)	18
Longest dry spell (CDD)	56 days	1955	40 days	19

Hottest day (TXx)

The hottest day of the year at Altus AFB, 1953 to 2026. The record is 44.7 C (112.5 F) in 2026, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at Altus AFB by year
Year	Hottest day (TXx)
1953	22.2 C (72.0 F)
1954	42.8 C (109.0 F)
1955	40.6 C (105.1 F)
1956	40.6 C (105.1 F)
1957	41.1 C (106.0 F)
1958	42.2 C (108.0 F)
1959	40.0 C (104.0 F)
1960	40.6 C (105.1 F)
1961	39.4 C (102.9 F)
1962	42.8 C (109.0 F)
1963	42.8 C (109.0 F)
1964	43.3 C (109.9 F)
1965	39.4 C (102.9 F)
1966	40.6 C (105.1 F)
1967	40.0 C (104.0 F)
1968	39.4 C (102.9 F)
1969	42.8 C (109.0 F)
1970	41.1 C (106.0 F)
2025	40.0 C (104.0 F)
2026	44.7 C (112.5 F)

Coldest night (TNn)

The coldest night of the year at Altus AFB, 1953 to 2026. The record is -20.0 C (-4.0 F) in 1966, marked on the chart; the median year is -13.3 C (8.1 F).

Coldest night (TNn) at Altus AFB by year
Year	Coldest night (TNn)
1953	-10.0 C (14.0 F)
1954	-12.2 C (10.0 F)
1955	-9.4 C (15.1 F)
1956	-8.9 C (16.0 F)
1957	-9.4 C (15.1 F)
1958	-13.3 C (8.1 F)
1959	-16.7 C (1.9 F)
1960	-13.3 C (8.1 F)
1961	-12.2 C (10.0 F)
1962	-17.8 C (0.0 F)
1963	-17.8 C (0.0 F)
1964	-14.4 C (6.1 F)
1965	-11.7 C (10.9 F)
1966	-20.0 C (-4.0 F)
1967	-13.3 C (8.1 F)
1968	-13.9 C (7.0 F)
1969	-11.1 C (12.0 F)
1970	-12.2 C (10.0 F)
2025	-14.1 C (6.6 F)
2026	-16.5 C (2.3 F)

Wettest day (Rx1day)

The wettest day of the year at Altus AFB, 1953 to 2026. The record is 166.1 mm (6.5 in) in 1965, marked on the chart; the median year is 63.8 mm (2.5 in).

Wettest day (Rx1day) at Altus AFB by year
Year	Wettest day (Rx1day)
1953	9.4 mm (0.37 in)
1954	63.8 mm (2.5 in)
1955	81.5 mm (3.2 in)
1956	109.2 mm (4.3 in)
1957	106.7 mm (4.2 in)
1958	59.7 mm (2.4 in)
1959	138.4 mm (5.4 in)
1960	48.0 mm (1.9 in)
1961	43.7 mm (1.7 in)
1962	54.6 mm (2.1 in)
1963	81.0 mm (3.2 in)
1964	66.3 mm (2.6 in)
1965	166.1 mm (6.5 in)
1966	50.0 mm (2.0 in)
1967	54.1 mm (2.1 in)
1968	64.5 mm (2.5 in)
1969	66.5 mm (2.6 in)
1970	32.8 mm (1.3 in)
2025	n/a
2026	9.2 mm (0.36 in)

Wettest five days (Rx5day)

The wettest five days of the year at Altus AFB, 1953 to 2026. The record is 182.6 mm (7.2 in) in 1965, marked on the chart; the median year is 99.3 mm (3.9 in).

Wettest five days (Rx5day) at Altus AFB by year
Year	Wettest five days (Rx5day)
1953	9.4 mm (0.37 in)
1954	107.5 mm (4.2 in)
1955	149.8 mm (5.9 in)
1956	111.8 mm (4.4 in)
1957	107.2 mm (4.2 in)
1958	81.6 mm (3.2 in)
1959	155.7 mm (6.1 in)
1960	107.1 mm (4.2 in)
1961	79.2 mm (3.1 in)
1962	78.7 mm (3.1 in)
1963	137.8 mm (5.4 in)
1964	79.0 mm (3.1 in)
1965	182.6 mm (7.2 in)
1966	81.6 mm (3.2 in)
1967	54.1 mm (2.1 in)
1968	91.4 mm (3.6 in)
1969	109.1 mm (4.3 in)
1970	34.9 mm (1.4 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Altus AFB, 1953 to 2026. The record is 56 days in 1955, marked on the chart; the median year is 40 days.

Longest dry spell (CDD) at Altus AFB by year
Year	Longest dry spell (CDD)
1953	29 days
1954	46 days
1955	56 days
1956	55 days
1957	35 days
1958	31 days
1959	49 days
1960	39 days
1961	26 days
1962	53 days
1963	40 days
1964	37 days
1965	43 days
1966	39 days
1967	45 days
1968	20 days
1969	43 days
1970	44 days
2025	n/a
2026	2 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.

Download the Data

Data for Altus AFB standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Altus 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 2026-10-14 (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).