Wright Patterson AFB Weather Records (USW00013840)

Record envelope, standing records and threshold days for Wright Patterson AFB (USW00013840), Ohio, United States, with 81 years of record.

Key Facts for Wright Patterson AFB

Wright Patterson AFB (USW00013840) is a weather station in Ohio, United States at 39.83 latitude and -84.05 longitude, 251 m (823 ft) above sea level.
The station reports from 1946 to 2026, 81 years of record.
1,464 records set at Wright Patterson AFB still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ohio, United States, 39.83 latitude, -84.05 longitude.
Elevation: 251 m (823 ft).
Period of record: 1946 to 2026, 81 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

29 days at or beyond a record

The band shows the record high and record low for each calendar day at Wright Patterson AFB. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Wright Patterson AFB, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.2 C (72.0 F)	-26.7 C (-16.1 F)	14.6 C (58.3 F)	-19.9 C (-3.8 F)
Feb	21.1 C (70.0 F)	-23.9 C (-11.0 F)	19.8 C (67.6 F)	-12.4 C (9.7 F)
Mar	26.4 C (79.5 F)	-17.2 C (1.0 F)	26.4 C (79.5 F)	-7.2 C (19.0 F)
Apr	30.6 C (87.1 F)	-7.8 C (18.0 F)	28.6 C (83.5 F)	-3.4 C (25.9 F)
May	33.3 C (91.9 F)	-3.3 C (26.1 F)	29.8 C (85.6 F)	5.2 C (41.4 F)
Jun	37.2 C (99.0 F)	4.4 C (39.9 F)	34.8 C (94.6 F)	5.5 C (41.9 F)
Jul	38.9 C (102.0 F)	9.4 C (48.9 F)	34.4 C (93.9 F)	16.8 C (62.2 F)
Aug	38.9 C (102.0 F)	5.6 C (42.1 F)	33.1 C (91.6 F)	8.0 C (46.4 F)
Sep	38.9 C (102.0 F)	1.1 C (34.0 F)	32.3 C (90.1 F)	7.3 C (45.1 F)
Oct	32.2 C (90.0 F)	-6.7 C (19.9 F)	29.9 C (85.8 F)	0.8 C (33.4 F)
Nov	26.7 C (80.1 F)	-17.2 C (1.0 F)	21.2 C (70.2 F)	-7.1 C (19.2 F)
Dec	21.1 C (70.0 F)	-23.3 C (-9.9 F)	21.0 C (69.8 F)	-17.3 C (0.9 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Wright Patterson AFB still stand. 1950 holds the most, with 95.

Standing records at Wright Patterson AFB by the year they were set
Year set	Standing records
1947	1
1949	69
1950	95
1951	73
1952	74
1953	71
1954	67
1955	57
1956	57
1957	42
1958	58
1959	66
1960	61
1961	55
1962	62
1963	79
1964	61
1965	53
1966	65
1967	76
1968	54
1969	37
1970	66
2025	65

Wettest Day of Each Month

May: 98.3 mm (3.9 in)

The wettest day on record for each calendar month at Wright Patterson AFB. The most was 98.3 mm (3.9 in) on 24 May 1968.

Record daily precipitation for each month at Wright Patterson AFB
Month	Record daily precipitation (mm)	Date
Jan	97.3 mm (3.8 in)	21 January 1959
Feb	50.3 mm (2.0 in)	25 February 1965
Mar	87.4 mm (3.4 in)	9 March 1964
Apr	49.8 mm (2.0 in)	5 April 1967
May	98.3 mm (3.9 in)	24 May 1968
Jun	80.3 mm (3.2 in)	22 June 1969
Jul	65.8 mm (2.6 in)	25 July 1968
Aug	85.3 mm (3.4 in)	4 August 1959
Sep	54.1 mm (2.1 in)	15 September 1965
Oct	54.6 mm (2.1 in)	8 October 1950
Nov	82.8 mm (3.3 in)	1 November 1956
Dec	37.3 mm (1.5 in)	3 December 1950

Period of Record Coverage

1946 to 2025

25 years of record at Wright Patterson AFB, 1946 to 2025. 2 years have data for under 90 percent of days and are left out of rankings: 1946, 1947.

Days with data per year at Wright Patterson AFB
Year	Days with data	Share of year	Complete
1946	1	0%	No
1947	1	0%	No
1949	361	99%	Yes
1950	364	100%	Yes
1951	365	100%	Yes
1952	365	100%	Yes
1953	357	98%	Yes
1954	362	99%	Yes
1955	363	99%	Yes
1956	359	98%	Yes
1957	361	99%	Yes
1958	364	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	363	99%	Yes
1965	364	100%	Yes
1966	362	99%	Yes
1967	361	99%	Yes
1968	366	100%	Yes
1969	335	92%	Yes
1970	359	98%	Yes
2025	361	99%	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 Wright Patterson AFB, 1949 to 2025. Blue stripes are years cooler than the station's own mean of 11.5 C (52.8 F); red stripes are warmer. The coolest year was 1963, at 10.1 C (50.2 F), and the warmest was 2025, at 12.8 C (55.1 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Wright Patterson AFB as warming stripes, 1949 to 2025
Year	Annual mean temperature	Difference from the station mean
1949	12.6 C	+1.03 C
1950	10.7 C	-0.86 C
1951	11.3 C	-0.25 C
1952	12.3 C	+0.73 C
1953	12.7 C	+1.20 C
1954	12.5 C	+0.99 C
1955	12.2 C	+0.66 C
1956	12.0 C	+0.43 C
1957	11.9 C	+0.37 C
1958	10.5 C	-1.07 C
1959	12.3 C	+0.73 C
1960	11.2 C	-0.37 C
1961	11.3 C	-0.27 C
1962	10.5 C	-0.99 C
1963	10.1 C	-1.42 C
1964	11.6 C	+0.05 C
1965	11.4 C	-0.14 C
1966	10.2 C	-1.36 C
1967	10.9 C	-0.64 C
1968	11.5 C	+0.01 C
1970	11.4 C	-0.13 C
2025	12.8 C	+1.30 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

1946 to 2026

Yearly extremes at Wright Patterson AFB: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1951	35.6 C (96.1 F)	26
Coldest night (TNn)	-26.7 C (-16.1 F)	1963	-20.0 C (-4.0 F)	26
Wettest day (Rx1day)	98.3 mm (3.9 in)	1968	56.0 mm (2.2 in)	26
Wettest five days (Rx5day)	195.8 mm (7.7 in)	1968	84.8 mm (3.3 in)	23
Longest dry spell (CDD)	36 days	1963	18 days	26

Hottest day (TXx)

The hottest day of the year at Wright Patterson AFB, 1946 to 2026. The record is 38.9 C (102.0 F) in 1951, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at Wright Patterson AFB by year
Year	Hottest day (TXx)
1946	16.1 C (61.0 F)
1947	15.6 C (60.1 F)
1948	n/a
1949	34.4 C (93.9 F)
1950	32.8 C (91.0 F)
1951	38.9 C (102.0 F)
1952	38.9 C (102.0 F)
1953	37.2 C (99.0 F)
1954	38.9 C (102.0 F)
1955	36.7 C (98.1 F)
1956	36.1 C (97.0 F)
1957	36.7 C (98.1 F)
1958	32.2 C (90.0 F)
1959	34.4 C (93.9 F)
1960	35.6 C (96.1 F)
1961	33.3 C (91.9 F)
1962	37.2 C (99.0 F)
1963	33.9 C (93.0 F)
1964	37.8 C (100.0 F)
1965	36.7 C (98.1 F)
1966	35.6 C (96.1 F)
1967	33.3 C (91.9 F)
1968	35.0 C (95.0 F)
1969	33.9 C (93.0 F)
1970	35.6 C (96.1 F)
2025	34.8 C (94.6 F)
2026	35.6 C (96.1 F)

Coldest night (TNn)

The coldest night of the year at Wright Patterson AFB, 1946 to 2026. The record is -26.7 C (-16.1 F) in 1963, marked on the chart; the median year is -20.0 C (-4.0 F).

Coldest night (TNn) at Wright Patterson AFB by year
Year	Coldest night (TNn)
1946	2.2 C (36.0 F)
1947	1.7 C (35.1 F)
1948	n/a
1949	-15.6 C (3.9 F)
1950	-21.1 C (-6.0 F)
1951	-23.9 C (-11.0 F)
1952	-13.3 C (8.1 F)
1953	-17.2 C (1.0 F)
1954	-13.3 C (8.1 F)
1955	-18.9 C (-2.0 F)
1956	-15.0 C (5.0 F)
1957	-18.3 C (-0.9 F)
1958	-21.7 C (-7.1 F)
1959	-21.7 C (-7.1 F)
1960	-20.0 C (-4.0 F)
1961	-22.2 C (-8.0 F)
1962	-21.7 C (-7.1 F)
1963	-26.7 C (-16.1 F)
1964	-20.0 C (-4.0 F)
1965	-21.7 C (-7.1 F)
1966	-22.2 C (-8.0 F)
1967	-18.3 C (-0.9 F)
1968	-21.7 C (-7.1 F)
1969	-17.2 C (1.0 F)
1970	-22.8 C (-9.0 F)
2025	-19.9 C (-3.8 F)
2026	-21.9 C (-7.4 F)

Wettest day (Rx1day)

The wettest day of the year at Wright Patterson AFB, 1946 to 2026. The record is 98.3 mm (3.9 in) in 1968, marked on the chart; the median year is 56.0 mm (2.2 in).

Wettest day (Rx1day) at Wright Patterson AFB by year
Year	Wettest day (Rx1day)
1946	0.0 mm (0.00 in)
1947	0.0 mm (0.00 in)
1948	29.0 mm (1.1 in)
1949	68.8 mm (2.7 in)
1950	54.6 mm (2.1 in)
1951	65.8 mm (2.6 in)
1952	70.4 mm (2.8 in)
1953	39.1 mm (1.5 in)
1954	53.3 mm (2.1 in)
1955	72.6 mm (2.9 in)
1956	82.8 mm (3.3 in)
1957	37.6 mm (1.5 in)
1958	46.7 mm (1.8 in)
1959	97.3 mm (3.8 in)
1960	54.6 mm (2.1 in)
1961	57.4 mm (2.3 in)
1962	29.5 mm (1.2 in)
1963	62.5 mm (2.5 in)
1964	87.4 mm (3.4 in)
1965	54.1 mm (2.1 in)
1966	59.2 mm (2.3 in)
1967	49.8 mm (2.0 in)
1968	98.3 mm (3.9 in)
1969	80.3 mm (3.2 in)
1970	68.6 mm (2.7 in)
2025	n/a
2026	52.4 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Wright Patterson AFB, 1946 to 2026. The record is 195.8 mm (7.7 in) in 1968, marked on the chart; the median year is 84.8 mm (3.3 in).

Wettest five days (Rx5day) at Wright Patterson AFB by year
Year	Wettest five days (Rx5day)
1946	n/a
1947	n/a
1948	57.9 mm (2.3 in)
1949	81.0 mm (3.2 in)
1950	105.9 mm (4.2 in)
1951	81.8 mm (3.2 in)
1952	88.9 mm (3.5 in)
1953	46.7 mm (1.8 in)
1954	63.2 mm (2.5 in)
1955	101.2 mm (4.0 in)
1956	82.8 mm (3.3 in)
1957	109.4 mm (4.3 in)
1958	119.4 mm (4.7 in)
1959	127.4 mm (5.0 in)
1960	66.5 mm (2.6 in)
1961	70.1 mm (2.8 in)
1962	54.7 mm (2.2 in)
1963	79.8 mm (3.1 in)
1964	139.7 mm (5.5 in)
1965	93.0 mm (3.7 in)
1966	84.8 mm (3.3 in)
1967	73.4 mm (2.9 in)
1968	195.8 mm (7.7 in)
1969	135.4 mm (5.3 in)
1970	92.2 mm (3.6 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Wright Patterson AFB, 1946 to 2026. The record is 36 days in 1963, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Wright Patterson AFB by year
Year	Longest dry spell (CDD)
1946	1 day
1947	1 day
1948	18 days
1949	13 days
1950	24 days
1951	15 days
1952	18 days
1953	26 days
1954	14 days
1955	16 days
1956	15 days
1957	23 days
1958	14 days
1959	24 days
1960	19 days
1961	23 days
1962	19 days
1963	36 days
1964	19 days
1965	21 days
1966	16 days
1967	21 days
1968	17 days
1969	13 days
1970	14 days
2025	n/a
2026	3 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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Wright Patterson AFB falls on 18 April and the median first autumn frost on 28 October, which leaves a median of 191 days between them.

Frost dates and growing season at Wright Patterson AFB
Measure	Median, all years	Earliest period	Recent period (1949 to 2025)	Recent against earliest	Fitted trend
Last spring frost	18 April	n/a	18 April	n/a	n/a
First autumn frost	28 October	n/a	28 October	n/a	n/a
Growing days	191 days	n/a	191 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 Wright Patterson AFB standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wright Patterson 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).