Hampshire 3 SW Weather Records (USC00484225)

Record envelope, standing records and threshold days for Hampshire 3 SW (USC00484225), Wyoming, United States, with 35 years of record.

Key Facts for Hampshire 3 SW

Hampshire 3 SW (USC00484225) is a weather station in Wyoming, United States at 43.55 latitude and -104.73 longitude, 1,263 m (4,144 ft) above sea level.
The station reports from 1921 to 1955, 35 years of record.
1,464 records set at Hampshire 3 SW still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Wyoming, United States, 43.55 latitude, -104.73 longitude.
Elevation: 1,263 m (4,144 ft).
Period of record: 1921 to 1955, 35 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 Hampshire 3 SW. 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 Hampshire 3 SW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	19.4 C (66.9 F)	-37.2 C (-35.0 F)	n/a	n/a
Feb	20.6 C (69.1 F)	-33.9 C (-29.0 F)	n/a	n/a
Mar	26.1 C (79.0 F)	-34.4 C (-29.9 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-22.8 C (-9.0 F)	n/a	n/a
May	35.0 C (95.0 F)	-11.7 C (10.9 F)	n/a	n/a
Jun	41.1 C (106.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	4.4 C (39.9 F)	n/a	n/a
Aug	41.7 C (107.1 F)	1.7 C (35.1 F)	n/a	n/a
Sep	38.9 C (102.0 F)	-9.4 C (15.1 F)	n/a	n/a
Oct	32.2 C (90.0 F)	-15.6 C (3.9 F)	n/a	n/a
Nov	23.9 C (75.0 F)	-31.1 C (-24.0 F)	n/a	n/a
Dec	21.7 C (71.1 F)	-35.0 C (-31.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hampshire 3 SW still stand. 1947 holds the most, with 101.

Standing records at Hampshire 3 SW by the year they were set
Year set	Standing records
1921	1
1937	73
1938	85
1939	96
1940	88
1941	63
1942	89
1943	83
1944	24
1945	73
1946	74
1947	101
1948	90
1949	81
1950	25
1951	99
1952	100
1953	81
1954	100
1955	38

Wettest Day of Each Month

May: 118.4 mm (4.7 in)

The wettest day on record for each calendar month at Hampshire 3 SW. The most was 118.4 mm (4.7 in) on 31 May 1927.

Record daily precipitation for each month at Hampshire 3 SW
Month	Record daily precipitation (mm)	Date
Jan	63.5 mm (2.5 in)	27 January 1925
Feb	20.3 mm (0.8 in)	9 February 1953
Mar	26.4 mm (1.0 in)	16 March 1945
Apr	57.7 mm (2.3 in)	16 April 1940
May	118.4 mm (4.7 in)	31 May 1927
Jun	77.2 mm (3.0 in)	18 June 1946
Jul	36.8 mm (1.4 in)	21 July 1927
Aug	63.0 mm (2.5 in)	28 August 1933
Sep	62.5 mm (2.5 in)	28 September 1923
Oct	53.3 mm (2.1 in)	8 October 1924
Nov	27.9 mm (1.1 in)	4 November 1922
Dec	26.2 mm (1.0 in)	7 December 1924

Period of Record Coverage

1922 to 1955

20 years of record at Hampshire 3 SW, 1922 to 1955. 7 years have data for under 90 percent of days and are left out of rankings: 1922, 1937, 1938, 1940, 1944, 1950, 1955.

Days with data per year at Hampshire 3 SW
Year	Days with data	Share of year	Complete
1922	1	0%	No
1937	322	88%	No
1938	317	87%	No
1939	358	98%	Yes
1940	325	89%	No
1941	352	96%	Yes
1942	360	99%	Yes
1943	351	96%	Yes
1944	180	49%	No
1945	363	99%	Yes
1946	334	92%	Yes
1947	359	98%	Yes
1948	364	99%	Yes
1949	331	91%	Yes
1950	103	28%	No
1951	345	95%	Yes
1952	366	100%	Yes
1953	364	100%	Yes
1954	339	93%	Yes
1955	220	60%	No

Latest Records

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

Extremes by Year

1921 to 1955

Yearly extremes at Hampshire 3 SW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1939	39.2 C (102.5 F)	20
Coldest night (TNn)	-37.2 C (-35.0 F)	1942	-32.5 C (-26.5 F)	20
Wettest day (Rx1day)	118.4 mm (4.7 in)	1927	34.8 mm (1.4 in)	35
Wettest five days (Rx5day)	82.0 mm (3.2 in)	1929	43.2 mm (1.7 in)	35
Longest dry spell (CDD)	69 days	1952	36 days	35

Hottest day (TXx)

The hottest day of the year at Hampshire 3 SW, 1921 to 1955. The record is 43.3 C (109.9 F) in 1939, marked on the chart; the median year is 39.2 C (102.5 F).

Hottest day (TXx) at Hampshire 3 SW by year
Year	Hottest day (TXx)
1921	n/a
1922	6.1 C (43.0 F)
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	38.9 C (102.0 F)
1938	37.2 C (99.0 F)
1939	43.3 C (109.9 F)
1940	40.6 C (105.1 F)
1941	41.7 C (107.1 F)
1942	37.8 C (100.0 F)
1943	40.0 C (104.0 F)
1944	25.6 C (78.1 F)
1945	37.2 C (99.0 F)
1946	38.9 C (102.0 F)
1947	41.1 C (106.0 F)
1948	38.9 C (102.0 F)
1949	40.0 C (104.0 F)
1950	28.9 C (84.0 F)
1951	41.1 C (106.0 F)
1952	40.6 C (105.1 F)
1953	39.4 C (102.9 F)
1954	42.8 C (109.0 F)
1955	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Hampshire 3 SW, 1921 to 1955. The record is -37.2 C (-35.0 F) in 1942, marked on the chart; the median year is -32.5 C (-26.5 F).

Coldest night (TNn) at Hampshire 3 SW by year
Year	Coldest night (TNn)
1921	1.7 C (35.1 F)
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	-29.4 C (-20.9 F)
1938	-30.6 C (-23.1 F)
1939	-33.9 C (-29.0 F)
1940	-35.0 C (-31.0 F)
1941	-30.6 C (-23.1 F)
1942	-37.2 C (-35.0 F)
1943	-34.4 C (-29.9 F)
1944	-33.3 C (-27.9 F)
1945	-31.1 C (-24.0 F)
1946	-31.7 C (-25.1 F)
1947	-31.7 C (-25.1 F)
1948	-33.3 C (-27.9 F)
1949	-37.2 C (-35.0 F)
1950	-35.0 C (-31.0 F)
1951	-36.7 C (-34.1 F)
1952	-34.4 C (-29.9 F)
1953	-28.9 C (-20.0 F)
1954	-26.7 C (-16.1 F)
1955	-25.0 C (-13.0 F)

Wettest day (Rx1day)

The wettest day of the year at Hampshire 3 SW, 1921 to 1955. The record is 118.4 mm (4.7 in) in 1927, marked on the chart; the median year is 34.8 mm (1.4 in).

Wettest day (Rx1day) at Hampshire 3 SW by year
Year	Wettest day (Rx1day)
1921	29.2 mm (1.1 in)
1922	35.6 mm (1.4 in)
1923	62.5 mm (2.5 in)
1924	53.3 mm (2.1 in)
1925	63.5 mm (2.5 in)
1926	38.1 mm (1.5 in)
1927	118.4 mm (4.7 in)
1928	33.5 mm (1.3 in)
1929	49.8 mm (2.0 in)
1930	41.7 mm (1.6 in)
1931	40.6 mm (1.6 in)
1932	66.0 mm (2.6 in)
1933	63.0 mm (2.5 in)
1934	22.9 mm (0.9 in)
1935	23.1 mm (0.9 in)
1936	22.9 mm (0.9 in)
1937	36.6 mm (1.4 in)
1938	24.1 mm (0.9 in)
1939	29.2 mm (1.1 in)
1940	57.7 mm (2.3 in)
1941	44.7 mm (1.8 in)
1942	33.0 mm (1.3 in)
1943	27.4 mm (1.1 in)
1944	10.2 mm (0.4 in)
1945	29.2 mm (1.1 in)
1946	77.2 mm (3.0 in)
1947	33.8 mm (1.3 in)
1948	19.8 mm (0.8 in)
1949	34.8 mm (1.4 in)
1950	12.7 mm (0.5 in)
1951	20.3 mm (0.8 in)
1952	51.8 mm (2.0 in)
1953	25.4 mm (1.0 in)
1954	31.0 mm (1.2 in)
1955	35.1 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hampshire 3 SW, 1921 to 1955. The record is 82.0 mm (3.2 in) in 1929, marked on the chart; the median year is 43.2 mm (1.7 in).

Wettest five days (Rx5day) at Hampshire 3 SW by year
Year	Wettest five days (Rx5day)
1921	40.1 mm (1.6 in)
1922	56.5 mm (2.2 in)
1923	65.8 mm (2.6 in)
1924	0.0 mm (0.00 in)
1925	63.5 mm (2.5 in)
1926	59.7 mm (2.4 in)
1927	74.5 mm (2.9 in)
1928	22.9 mm (0.9 in)
1929	82.0 mm (3.2 in)
1930	42.7 mm (1.7 in)
1931	40.6 mm (1.6 in)
1932	74.6 mm (2.9 in)
1933	64.3 mm (2.5 in)
1934	22.9 mm (0.9 in)
1935	54.4 mm (2.1 in)
1936	31.7 mm (1.2 in)
1937	69.8 mm (2.7 in)
1938	42.9 mm (1.7 in)
1939	46.5 mm (1.8 in)
1940	19.8 mm (0.8 in)
1941	53.8 mm (2.1 in)
1942	41.4 mm (1.6 in)
1943	32.7 mm (1.3 in)
1944	12.2 mm (0.5 in)
1945	42.1 mm (1.7 in)
1946	77.2 mm (3.0 in)
1947	53.3 mm (2.1 in)
1948	42.0 mm (1.7 in)
1949	43.2 mm (1.7 in)
1950	24.4 mm (1.0 in)
1951	29.5 mm (1.2 in)
1952	72.9 mm (2.9 in)
1953	35.6 mm (1.4 in)
1954	50.0 mm (2.0 in)
1955	44.5 mm (1.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hampshire 3 SW, 1921 to 1955. The record is 69 days in 1952, marked on the chart; the median year is 36 days.

Longest dry spell (CDD) at Hampshire 3 SW by year
Year	Longest dry spell (CDD)
1921	54 days
1922	64 days
1923	16 days
1924	30 days
1925	12 days
1926	23 days
1927	23 days
1928	27 days
1929	16 days
1930	19 days
1931	35 days
1932	36 days
1933	67 days
1934	55 days
1935	50 days
1936	35 days
1937	46 days
1938	34 days
1939	56 days
1940	41 days
1941	50 days
1942	36 days
1943	63 days
1944	36 days
1945	64 days
1946	29 days
1947	35 days
1948	51 days
1949	43 days
1950	34 days
1951	68 days
1952	69 days
1953	41 days
1954	56 days
1955	23 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 Hampshire 3 SW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hampshire 3 SW 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 2026-10-15 (15 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).