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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Ten Sleep Weather Records (USC00488855)

Record envelope, standing records and threshold days for Ten Sleep (USC00488855), Wyoming, United States, with 62 years of record.

Key Facts for Ten Sleep

  • Ten Sleep (USC00488855) is a weather station in Wyoming, United States at 44.03 latitude and -107.45 longitude, 1,376 m (4,514 ft) above sea level.
  • The station reports from 1903 to 1964, 62 years of record.
  • 1,464 records set at Ten Sleep 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, 44.03 latitude, -107.45 longitude.
  • Elevation: 1,376 m (4,514 ft).
  • Period of record: 1903 to 1964, 62 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Ten Sleep, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ten Sleep. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Ten Sleep. 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 Ten Sleep, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan11.1 C (52.0 F)-38.3 C (-36.9 F)n/an/a
Feb15.0 C (59.0 F)-28.3 C (-18.9 F)n/an/a
Mar23.9 C (75.0 F)-29.4 C (-20.9 F)n/an/a
Apr29.4 C (84.9 F)-14.4 C (6.1 F)n/an/a
May32.8 C (91.0 F)-6.1 C (21.0 F)n/an/a
Jun33.3 C (91.9 F)-1.7 C (28.9 F)n/an/a
Jul36.1 C (97.0 F)3.9 C (39.0 F)n/an/a
Aug36.7 C (98.1 F)3.9 C (39.0 F)n/an/a
Sep32.8 C (91.0 F)-3.9 C (25.0 F)n/an/a
Oct30.6 C (87.1 F)-11.1 C (12.0 F)n/an/a
Nov21.7 C (71.1 F)-16.1 C (3.0 F)n/an/a
Dec15.6 C (60.1 F)-30.6 C (-23.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Ten Sleep by the year they were set 1,464 records at Ten Sleep still stand. 1943 holds the most, with 426. 02004006001903: 3261904: 791907: 551942: 1691943: 4261944: 1671945: 191963: 1291964: 94190319041907194219431944194519631964
1,464 records at Ten Sleep still stand. 1943 holds the most, with 426.
Standing records at Ten Sleep by the year they were set
Year setStanding records
1903326
190479
190755
1942169
1943426
1944167
194519
1963129
196494

Wettest Day of Each Month

Apr: 45.7 mm (1.8 in)
Record daily precipitation for each month at Ten Sleep The wettest day on record for each calendar month at Ten Sleep. The most was 45.7 mm (1.8 in) on 26 April 1964. 0204060 Jan: 11.4 mm (0.4 in), 25 January 1944 Jan Feb: 15.5 mm (0.6 in), 16 February 1964 Feb Mar: 15.5 mm (0.6 in), 23 March 1949 Mar Apr: 45.7 mm (1.8 in), 26 April 1964 Apr May: 24.1 mm (0.9 in), 18 May 1944 May Jun: 30.2 mm (1.2 in), 17 June 1944 Jun Jul: 17.8 mm (0.7 in), 31 July 1903 Jul Aug: 14.0 mm (0.6 in), 2 August 1943 Aug Sep: 27.9 mm (1.1 in), 9 September 1963 Sep Oct: 22.9 mm (0.9 in), 12 October 1942 Oct Nov: 18.0 mm (0.7 in), 3 November 1943 Nov Dec: 16.5 mm (0.6 in), 8 December 1943 Dec
The wettest day on record for each calendar month at Ten Sleep. The most was 45.7 mm (1.8 in) on 26 April 1964.
Record daily precipitation for each month at Ten Sleep
MonthRecord daily precipitation (mm)Date
Jan11.4 mm (0.4 in)25 January 1944
Feb15.5 mm (0.6 in)16 February 1964
Mar15.5 mm (0.6 in)23 March 1949
Apr45.7 mm (1.8 in)26 April 1964
May24.1 mm (0.9 in)18 May 1944
Jun30.2 mm (1.2 in)17 June 1944
Jul17.8 mm (0.7 in)31 July 1903
Aug14.0 mm (0.6 in)2 August 1943
Sep27.9 mm (1.1 in)9 September 1963
Oct22.9 mm (0.9 in)12 October 1942
Nov18.0 mm (0.7 in)3 November 1943
Dec16.5 mm (0.6 in)8 December 1943

Period of Record Coverage

1903 to 1964
Days with data per year at Ten Sleep 9 years of record at Ten Sleep, 1903 to 1964. 8 years have data for under 90 percent of days and are left out of rankings: 1903, 1904, 1907, 1942, 1944, 1945, 1963, 1964. 1903: 278 of 365 days1904: 95 of 366 days1907: 61 of 365 days1942: 147 of 365 days1943: 362 of 365 days1944: 180 of 366 days1945: 6 of 365 days1963: 151 of 365 days1964: 113 of 366 days1945
9 years of record at Ten Sleep, 1903 to 1964. 8 years have data for under 90 percent of days and are left out of rankings: 1903, 1904, 1907, 1942, 1944, 1945, 1963, 1964.
Days with data per year at Ten Sleep
YearDays with dataShare of yearComplete
190327876%No
19049526%No
19076117%No
194214740%No
194336299%Yes
194418049%No
194562%No
196315141%No
196411331%No

Latest Records

0

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

Extremes by Year

1903 to 1964
Yearly extremes at Ten Sleep: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)196332.8 C (91.0 F)9
Coldest night (TNn)-38.3 C (-36.9 F)1943-27.2 C (-17.0 F)9
Wettest day (Rx1day)45.7 mm (1.8 in)196423.4 mm (0.9 in)12
Wettest five days (Rx5day)49.5 mm (1.9 in)196431.5 mm (1.2 in)12
Longest dry spell (CDD)55 days190332 days12

Hottest day (TXx)

Hottest day (TXx) at Ten Sleep by year The hottest day of the year at Ten Sleep, 1903 to 1964. The record is 36.7 C (98.1 F) in 1963, marked on the chart; the median year is 32.8 C (91.0 F). 2025303540192019401960Record: 36.7 C (98.1 F) in 1963
The hottest day of the year at Ten Sleep, 1903 to 1964. The record is 36.7 C (98.1 F) in 1963, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Ten Sleep by year
YearHottest day (TXx)
190335.0 C (95.0 F)
190430.6 C (87.1 F)
190724.4 C (75.9 F)
194236.1 C (97.0 F)
194336.1 C (97.0 F)
194432.2 C (90.0 F)
194523.9 C (75.0 F)
1948n/a
1949n/a
1950n/a
1951n/a
196336.7 C (98.1 F)
196432.8 C (91.0 F)

Coldest night (TNn)

Coldest night (TNn) at Ten Sleep by year The coldest night of the year at Ten Sleep, 1903 to 1964. The record is -38.3 C (-36.9 F) in 1943, marked on the chart; the median year is -27.2 C (-17.0 F). -40-30-20-10192019401960Record: -38.3 C (-36.9 F) in 1943
The coldest night of the year at Ten Sleep, 1903 to 1964. The record is -38.3 C (-36.9 F) in 1943, marked on the chart; the median year is -27.2 C (-17.0 F).
Coldest night (TNn) at Ten Sleep by year
YearColdest night (TNn)
1903-20.6 C (-5.1 F)
1904-28.3 C (-18.9 F)
1907-15.6 C (3.9 F)
1942-23.3 C (-9.9 F)
1943-38.3 C (-36.9 F)
1944-27.2 C (-17.0 F)
1945-11.1 C (12.0 F)
1948n/a
1949n/a
1950n/a
1951n/a
1963-30.6 C (-23.1 F)
1964-27.2 C (-17.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Ten Sleep by year The wettest day of the year at Ten Sleep, 1903 to 1964. The record is 45.7 mm (1.8 in) in 1964, marked on the chart; the median year is 23.4 mm (0.9 in). 01020304050192019401960Record: 45.7 mm (1.8 in) in 1964
The wettest day of the year at Ten Sleep, 1903 to 1964. The record is 45.7 mm (1.8 in) in 1964, marked on the chart; the median year is 23.4 mm (0.9 in).
Wettest day (Rx1day) at Ten Sleep by year
YearWettest day (Rx1day)
190317.8 mm (0.7 in)
190436.1 mm (1.4 in)
19077.6 mm (0.30 in)
194222.9 mm (0.9 in)
194318.0 mm (0.7 in)
194430.2 mm (1.2 in)
1945n/a
194820.8 mm (0.8 in)
194924.6 mm (1.0 in)
195022.9 mm (0.9 in)
195123.9 mm (0.9 in)
196327.9 mm (1.1 in)
196445.7 mm (1.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Ten Sleep by year The wettest five days of the year at Ten Sleep, 1903 to 1964. The record is 49.5 mm (1.9 in) in 1964, marked on the chart; the median year is 31.5 mm (1.2 in). 0204060192019401960Record: 49.5 mm (1.9 in) in 1964
The wettest five days of the year at Ten Sleep, 1903 to 1964. The record is 49.5 mm (1.9 in) in 1964, marked on the chart; the median year is 31.5 mm (1.2 in).
Wettest five days (Rx5day) at Ten Sleep by year
YearWettest five days (Rx5day)
190327.9 mm (1.1 in)
190446.0 mm (1.8 in)
19077.6 mm (0.30 in)
194228.2 mm (1.1 in)
194332.7 mm (1.3 in)
194430.2 mm (1.2 in)
1945n/a
194839.1 mm (1.5 in)
194934.1 mm (1.3 in)
195035.1 mm (1.4 in)
195123.9 mm (0.9 in)
196327.9 mm (1.1 in)
196449.5 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Ten Sleep by year The longest dry spell of the year at Ten Sleep, 1903 to 1964. The record is 55 days in 1903, marked on the chart; the median year is 32 days. 2030405060192019401960Record: 55 days in 1903
The longest dry spell of the year at Ten Sleep, 1903 to 1964. The record is 55 days in 1903, marked on the chart; the median year is 32 days.
Longest dry spell (CDD) at Ten Sleep by year
YearLongest dry spell (CDD)
190355 days
190423 days
190729 days
194236 days
194328 days
194430 days
1945n/a
194821 days
194937 days
195041 days
195137 days
196333 days
196422 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 Ten Sleep standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ten Sleep 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 . Last revised (2025-12-31).