Dugway Proving Grounds Weather Records (USW00024103)

Record envelope, standing records and threshold days for Dugway Proving Grounds (USW00024103), Utah, United States, with 78 years of record.

Key Facts for Dugway Proving Grounds

Dugway Proving Grounds (USW00024103) is a weather station in Utah, United States at 40.18 latitude and -112.93 longitude, 1,329 m (4,360 ft) above sea level.
The station reports from 1949 to 2026, 78 years of record.
1,464 records set at Dugway Proving Grounds still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Utah, United States, 40.18 latitude, -112.93 longitude.
Elevation: 1,329 m (4,360 ft).
Period of record: 1949 to 2026, 78 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 Dugway Proving Grounds. 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 Dugway Proving Grounds, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.9 C (66.0 F)	-26.7 C (-16.1 F)	n/a	n/a
Feb	21.1 C (70.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Mar	26.7 C (80.1 F)	-21.1 C (-6.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-8.9 C (16.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-3.9 C (25.0 F)	n/a	n/a
Jun	41.7 C (107.1 F)	-0.6 C (30.9 F)	n/a	n/a
Jul	42.2 C (108.0 F)	5.0 C (41.0 F)	36.9 C (98.4 F)	14.9 C (58.8 F)
Aug	40.0 C (104.0 F)	3.9 C (39.0 F)	n/a	n/a
Sep	38.3 C (100.9 F)	-2.8 C (27.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	23.3 C (73.9 F)	-22.2 C (-8.0 F)	n/a	n/a
Dec	16.1 C (61.0 F)	-20.6 C (-5.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Dugway Proving Grounds still stand. 1953 holds the most, with 119.

Standing records at Dugway Proving Grounds by the year they were set
Year set	Standing records
1949	5
1950	77
1951	62
1952	94
1953	119
1954	85
1955	101
1956	106
1957	77
1958	76
1959	79
1960	93
1961	71
1962	92
1963	66
1964	88
1965	78
1966	90
1967	5

Wettest Day of Each Month

Sep: 29.7 mm (1.2 in)

The wettest day on record for each calendar month at Dugway Proving Grounds. The most was 29.7 mm (1.2 in) on 17 September 1961.

Record daily precipitation for each month at Dugway Proving Grounds
Month	Record daily precipitation (mm)	Date
Jan	20.1 mm (0.8 in)	25 January 1952
Feb	21.3 mm (0.8 in)	25 February 1958
Mar	25.4 mm (1.0 in)	19 March 1952
Apr	24.1 mm (0.9 in)	15 April 1969
May	19.3 mm (0.8 in)	5 May 1964
Jun	17.5 mm (0.7 in)	10 June 1963
Jul	23.1 mm (0.9 in)	4 July 1961
Aug	18.0 mm (0.7 in)	23 August 1961
Sep	29.7 mm (1.2 in)	17 September 1961
Oct	25.9 mm (1.0 in)	9 October 1961
Nov	24.1 mm (0.9 in)	15 November 1963
Dec	13.7 mm (0.5 in)	29 December 1951

Period of Record Coverage

1949 to 2025

20 years of record at Dugway Proving Grounds, 1949 to 2025. 4 years have data for under 90 percent of days and are left out of rankings: 1949, 1950, 1967, 2025.

Days with data per year at Dugway Proving Grounds
Year	Days with data	Share of year	Complete
1949	23	6%	No
1950	266	73%	No
1951	363	99%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	364	99%	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	332	91%	Yes
1966	365	100%	Yes
1967	69	19%	No
2025	3	1%	No

Latest Records

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

Climate Trend

15 complete years, 1951 to 1966

One stripe for each of 15 complete years at Dugway Proving Grounds, 1951 to 1966. Blue stripes are years cooler than the station's own mean of 11.0 C (51.8 F); red stripes are warmer. The coolest year was 1955, at 9.9 C (49.8 F), and the warmest was 1958, at 11.8 C (53.3 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Dugway Proving Grounds as warming stripes, 1951 to 1966
Year	Annual mean temperature	Difference from the station mean
1951	10.5 C	-0.44 C
1952	10.7 C	-0.27 C
1953	11.7 C	+0.70 C
1954	11.7 C	+0.73 C
1955	9.9 C	-1.08 C
1956	10.9 C	-0.12 C
1957	11.0 C	+0.02 C
1958	11.8 C	+0.85 C
1959	11.1 C	+0.09 C
1960	11.2 C	+0.18 C
1961	11.0 C	+0.00 C
1962	10.8 C	-0.19 C
1963	10.9 C	-0.11 C
1964	10.2 C	-0.79 C
1966	11.4 C	+0.40 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 Dugway Proving Grounds: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	1950	38.3 C (100.9 F)	21
Coldest night (TNn)	-26.7 C (-16.1 F)	1963	-18.9 C (-2.0 F)	21
Wettest day (Rx1day)	29.7 mm (1.2 in)	1961	15.7 mm (0.6 in)	23
Wettest five days (Rx5day)	50.0 mm (2.0 in)	1961	22.4 mm (0.9 in)	22
Longest dry spell (CDD)	141 days	1952	52 days	23

Hottest day (TXx)

The hottest day of the year at Dugway Proving Grounds, 1949 to 2026. The record is 42.2 C (108.0 F) in 1950, marked on the chart; the median year is 38.3 C (100.9 F).

Hottest day (TXx) at Dugway Proving Grounds by year
Year	Hottest day (TXx)
1949	12.2 C (54.0 F)
1950	42.2 C (108.0 F)
1951	38.9 C (102.0 F)
1952	39.4 C (102.9 F)
1953	40.6 C (105.1 F)
1954	41.7 C (107.1 F)
1955	39.4 C (102.9 F)
1956	38.9 C (102.0 F)
1957	38.3 C (100.9 F)
1958	38.3 C (100.9 F)
1959	38.9 C (102.0 F)
1960	40.0 C (104.0 F)
1961	38.3 C (100.9 F)
1962	37.8 C (100.0 F)
1963	37.8 C (100.0 F)
1964	37.8 C (100.0 F)
1965	37.2 C (99.0 F)
1966	38.3 C (100.9 F)
1967	19.4 C (66.9 F)
1968	n/a
1969	n/a
1970	n/a
2025	36.9 C (98.4 F)
2026	29.3 C (84.7 F)

Coldest night (TNn)

The coldest night of the year at Dugway Proving Grounds, 1949 to 2026. The record is -26.7 C (-16.1 F) in 1963, marked on the chart; the median year is -18.9 C (-2.0 F).

Coldest night (TNn) at Dugway Proving Grounds by year
Year	Coldest night (TNn)
1949	-18.3 C (-0.9 F)
1950	-20.6 C (-5.1 F)
1951	-19.4 C (-2.9 F)
1952	-22.2 C (-8.0 F)
1953	-16.1 C (3.0 F)
1954	-16.1 C (3.0 F)
1955	-23.9 C (-11.0 F)
1956	-23.9 C (-11.0 F)
1957	-23.3 C (-9.9 F)
1958	-20.0 C (-4.0 F)
1959	-18.9 C (-2.0 F)
1960	-25.6 C (-14.1 F)
1961	-18.3 C (-0.9 F)
1962	-26.1 C (-15.0 F)
1963	-26.7 C (-16.1 F)
1964	-18.9 C (-2.0 F)
1965	-17.8 C (0.0 F)
1966	-18.3 C (-0.9 F)
1967	-15.6 C (3.9 F)
1968	n/a
1969	n/a
1970	n/a
2025	14.9 C (58.8 F)
2026	1.6 C (34.9 F)

Wettest day (Rx1day)

The wettest day of the year at Dugway Proving Grounds, 1949 to 2026. The record is 29.7 mm (1.2 in) in 1961, marked on the chart; the median year is 15.7 mm (0.6 in).

Wettest day (Rx1day) at Dugway Proving Grounds by year
Year	Wettest day (Rx1day)
1949	2.3 mm (0.09 in)
1950	10.9 mm (0.4 in)
1951	15.0 mm (0.6 in)
1952	25.4 mm (1.0 in)
1953	17.3 mm (0.7 in)
1954	11.4 mm (0.4 in)
1955	15.2 mm (0.6 in)
1956	11.9 mm (0.5 in)
1957	16.8 mm (0.7 in)
1958	21.3 mm (0.8 in)
1959	12.7 mm (0.5 in)
1960	7.9 mm (0.31 in)
1961	29.7 mm (1.2 in)
1962	20.1 mm (0.8 in)
1963	24.1 mm (0.9 in)
1964	19.3 mm (0.8 in)
1965	22.6 mm (0.9 in)
1966	10.2 mm (0.4 in)
1967	6.6 mm (0.26 in)
1968	15.7 mm (0.6 in)
1969	24.1 mm (0.9 in)
1970	15.7 mm (0.6 in)
2025	n/a
2026	6.4 mm (0.25 in)

Wettest five days (Rx5day)

The wettest five days of the year at Dugway Proving Grounds, 1949 to 2026. The record is 50.0 mm (2.0 in) in 1961, marked on the chart; the median year is 22.4 mm (0.9 in).

Wettest five days (Rx5day) at Dugway Proving Grounds by year
Year	Wettest five days (Rx5day)
1949	4.3 mm (0.17 in)
1950	29.7 mm (1.2 in)
1951	15.3 mm (0.6 in)
1952	26.4 mm (1.0 in)
1953	27.7 mm (1.1 in)
1954	16.8 mm (0.7 in)
1955	23.4 mm (0.9 in)
1956	15.2 mm (0.6 in)
1957	28.0 mm (1.1 in)
1958	21.3 mm (0.8 in)
1959	23.4 mm (0.9 in)
1960	13.5 mm (0.5 in)
1961	50.0 mm (2.0 in)
1962	20.9 mm (0.8 in)
1963	27.2 mm (1.1 in)
1964	27.2 mm (1.1 in)
1965	37.3 mm (1.5 in)
1966	16.3 mm (0.6 in)
1967	10.8 mm (0.4 in)
1968	18.7 mm (0.7 in)
1969	25.9 mm (1.0 in)
1970	18.3 mm (0.7 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Dugway Proving Grounds, 1949 to 2026. The record is 141 days in 1952, marked on the chart; the median year is 52 days.

Longest dry spell (CDD) at Dugway Proving Grounds by year
Year	Longest dry spell (CDD)
1949	7 days
1950	40 days
1951	54 days
1952	141 days
1953	69 days
1954	46 days
1955	32 days
1956	72 days
1957	52 days
1958	77 days
1959	74 days
1960	71 days
1961	49 days
1962	64 days
1963	43 days
1964	71 days
1965	28 days
1966	130 days
1967	42 days
1968	23 days
1969	55 days
1970	5 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 Dugway Proving Grounds standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Dugway Proving Grounds 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).