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Plymouth Weather Records (USC00426938)

Record envelope, standing records and threshold days for Plymouth (USC00426938), Utah, United States, with 87 years of record.

Key Facts for Plymouth

  • Plymouth (USC00426938) is a weather station in Utah, United States at 41.87 latitude and -112.15 longitude, 1,363 m (4,470 ft) above sea level.
  • The station reports from 1940 to 2026, 87 years of record.
  • 1,464 records set at Plymouth still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Plymouth tied a daily record precipitation of 0.5 mm (0.02 in) on 29 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Utah, United States, 41.87 latitude, -112.15 longitude.
  • Elevation: 1,363 m (4,470 ft).
  • Period of record: 1940 to 2026, 87 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Plymouth, with 2026 drawn through them The band shows the record high and record low for each calendar day at Plymouth. 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 Plymouth. 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 Plymouth, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan11.7 C (53.1 F)-31.1 C (-24.0 F)n/an/a
Feb11.1 C (52.0 F)-33.9 C (-29.0 F)n/an/a
Mar23.3 C (73.9 F)-18.9 C (-2.0 F)n/an/a
Apr31.1 C (88.0 F)-7.8 C (18.0 F)n/an/a
May31.7 C (89.1 F)-6.1 C (21.0 F)n/an/a
Jun35.0 C (95.0 F)-1.1 C (30.0 F)n/an/a
Jul38.9 C (102.0 F)2.2 C (36.0 F)n/an/a
Aug36.7 C (98.1 F)-3.3 C (26.1 F)n/an/a
Sep34.4 C (93.9 F)-3.9 C (25.0 F)n/an/a
Oct30.0 C (86.0 F)-10.0 C (14.0 F)n/an/a
Nov18.9 C (66.0 F)-15.0 C (5.0 F)n/an/a
Dec11.7 C (53.1 F)-20.0 C (-4.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Plymouth by the year they were set 1,464 records at Plymouth still stand. 1942 holds the most, with 486. 02004006001941: 4281942: 4861943: 4191944: 1311941194219431944
1,464 records at Plymouth still stand. 1942 holds the most, with 486.
Standing records at Plymouth by the year they were set
Year setStanding records
1941428
1942486
1943419
1944131

Wettest Day of Each Month

May: 67.1 mm (2.6 in)
Record daily precipitation for each month at Plymouth The wettest day on record for each calendar month at Plymouth. The most was 67.1 mm (2.6 in) on 18 May 1988. 020406080 Jan: 47.8 mm (1.9 in), 9 January 2005 Jan Feb: 31.2 mm (1.2 in), 26 February 2004 Feb Mar: 34.3 mm (1.4 in), 2 March 2026 Mar Apr: 34.3 mm (1.4 in), 28 April 2005 Apr May: 67.1 mm (2.6 in), 18 May 1988 May Jun: 29.5 mm (1.2 in), 8 June 2024 Jun Jul: 36.3 mm (1.4 in), 12 July 1997 Jul Aug: 40.6 mm (1.6 in), 31 August 2000 Aug Sep: 35.8 mm (1.4 in), 6 September 2002 Sep Oct: 49.5 mm (1.9 in), 20 October 2004 Oct Nov: 28.4 mm (1.1 in), 18 November 1940 Nov Dec: 38.6 mm (1.5 in), 26 December 2016 Dec
The wettest day on record for each calendar month at Plymouth. The most was 67.1 mm (2.6 in) on 18 May 1988.
Record daily precipitation for each month at Plymouth
MonthRecord daily precipitation (mm)Date
Jan47.8 mm (1.9 in)9 January 2005
Feb31.2 mm (1.2 in)26 February 2004
Mar34.3 mm (1.4 in)2 March 2026
Apr34.3 mm (1.4 in)28 April 2005
May67.1 mm (2.6 in)18 May 1988
Jun29.5 mm (1.2 in)8 June 2024
Jul36.3 mm (1.4 in)12 July 1997
Aug40.6 mm (1.6 in)31 August 2000
Sep35.8 mm (1.4 in)6 September 2002
Oct49.5 mm (1.9 in)20 October 2004
Nov28.4 mm (1.1 in)18 November 1940
Dec38.6 mm (1.5 in)26 December 2016

Period of Record Coverage

1941 to 1944
Days with data per year at Plymouth 4 years of record at Plymouth, 1941 to 1944. 1 years have data for under 90 percent of days and are left out of rankings: 1944. 1941: 331 of 365 days1942: 363 of 365 days1943: 361 of 365 days1944: 170 of 366 days
4 years of record at Plymouth, 1941 to 1944. 1 years have data for under 90 percent of days and are left out of rankings: 1944.
Days with data per year at Plymouth
YearDays with dataShare of yearComplete
194133191%Yes
194236399%Yes
194336199%Yes
194417046%No

Latest Records

20
Latest records at Plymouth
DateStationRecordValueBeat old record byOld record stoodSignificance
29 August 2026Plymouth, USdaily rain (Tie, Provisional)0.5 mm (0.02 in)tie27 years4 of 100 (Routine)
24 August 2026Plymouth, USdaily rain (Provisional)12.7 mm (0.5 in)10.2 mm (0.4 in)39 years20 of 100 (Routine)
13 August 2026Plymouth, USdaily rain8.6 mm (0.34 in)5.0 mm (0.20 in)8 years16 of 100 (Routine)
31 May 2026Plymouth, USdaily rain15.5 mm (0.6 in)2.0 mm (0.08 in)76 years20 of 100 (Routine)
22 April 2026Plymouth, USdaily rain9.7 mm (0.38 in)3.6 mm (0.14 in)19 years18 of 100 (Routine)
2 March 2026Plymouth, USmonthly rain34.3 mm (1.4 in)3.6 mm (0.14 in)0 years23 of 100 (Routine)
6 December 2025Plymouth, USdaily rain8.6 mm (0.34 in)1.0 mm (0.04 in)15 years13 of 100 (Routine)
12 October 2025Plymouth, USdaily rain22.1 mm (0.9 in)10.7 mm (0.4 in)24 years20 of 100 (Routine)
27 August 2025Plymouth, USmonthly rain (Tie)40.6 mm (1.6 in)tie24 years6 of 100 (Routine)
14 August 2025Plymouth, USdaily rain0.5 mm (0.02 in)0.5 mm (0.02 in)84 years20 of 100 (Routine)
17 April 2025Plymouth, USdaily rain8.4 mm (0.33 in)5.1 mm (0.20 in)20 years20 of 100 (Routine)
13 March 2025Plymouth, USdaily rain22.6 mm (0.9 in)17.0 mm (0.7 in)39 years20 of 100 (Routine)
6 March 2025Plymouth, USmonthly rain30.7 mm (1.2 in)1.2 mm (0.05 in)81 years44 of 100 (Notable)
20 February 2025Plymouth, USdaily rain12.4 mm (0.5 in)1.7 mm (0.07 in)20 years17 of 100 (Routine)
14 February 2025Plymouth, USdaily rain24.1 mm (0.9 in)6.1 mm (0.24 in)38 years20 of 100 (Routine)
27 December 2024Plymouth, USdaily rain10.7 mm (0.4 in)0.3 mm (0.01 in)84 years20 of 100 (Routine)
18 September 2024Plymouth, USdaily rain16.8 mm (0.7 in)4.4 mm (0.17 in)84 years20 of 100 (Routine)
10 August 2024Plymouth, USdaily rain10.7 mm (0.4 in)6.4 mm (0.25 in)27 years20 of 100 (Routine)
8 June 2024Plymouth, USmonthly rain29.5 mm (1.2 in)0.5 mm (0.02 in)81 years42 of 100 (Notable)
27 April 2024Plymouth, USdaily rain15.7 mm (0.6 in)2.2 mm (0.09 in)12 years14 of 100 (Routine)

Extremes by Year

1940 to 2026
Yearly extremes at Plymouth: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.9 C (102.0 F)194337.5 C (99.5 F)4
Coldest night (TNn)-33.9 C (-29.0 F)1942-25.2 C (-13.5 F)4
Wettest day (Rx1day)67.1 mm (2.6 in)198829.0 mm (1.1 in)51
Wettest five days (Rx5day)122.9 mm (4.8 in)200444.7 mm (1.8 in)51
Longest dry spell (CDD)79 days201639 days51

Hottest day (TXx)

Hottest day (TXx) at Plymouth by year The hottest day of the year at Plymouth, 1940 to 2026. The record is 38.9 C (102.0 F) in 1943, marked on the chart; the median year is 37.5 C (99.5 F). 3032.53537.54019401960198020002020Record: 38.9 C (102.0 F) in 1943
The hottest day of the year at Plymouth, 1940 to 2026. The record is 38.9 C (102.0 F) in 1943, marked on the chart; the median year is 37.5 C (99.5 F).
Hottest day (TXx) at Plymouth by year
YearHottest day (TXx)
1940n/a
194136.7 C (98.1 F)
194238.3 C (100.9 F)
194338.9 C (102.0 F)
194430.0 C (86.0 F)
1948n/a
1949n/a
1950n/a
1951n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
2013n/a
2014n/a
2015n/a
2016n/a
2017n/a
2018n/a
2019n/a
2020n/a
2021n/a
2022n/a
2023n/a
2024n/a
2025n/a
2026n/a

Coldest night (TNn)

Coldest night (TNn) at Plymouth by year The coldest night of the year at Plymouth, 1940 to 2026. The record is -33.9 C (-29.0 F) in 1942, marked on the chart; the median year is -25.2 C (-13.5 F). -35-30-25-2019401960198020002020Record: -33.9 C (-29.0 F) in 1942
The coldest night of the year at Plymouth, 1940 to 2026. The record is -33.9 C (-29.0 F) in 1942, marked on the chart; the median year is -25.2 C (-13.5 F).
Coldest night (TNn) at Plymouth by year
YearColdest night (TNn)
1940n/a
1941-20.0 C (-4.0 F)
1942-33.9 C (-29.0 F)
1943-22.2 C (-8.0 F)
1944-28.3 C (-18.9 F)
1948n/a
1949n/a
1950n/a
1951n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
2013n/a
2014n/a
2015n/a
2016n/a
2017n/a
2018n/a
2019n/a
2020n/a
2021n/a
2022n/a
2023n/a
2024n/a
2025n/a
2026n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Plymouth by year The wettest day of the year at Plymouth, 1940 to 2026. The record is 67.1 mm (2.6 in) in 1988, marked on the chart; the median year is 29.0 mm (1.1 in). 02040608019401960198020002020Record: 67.1 mm (2.6 in) in 1988
The wettest day of the year at Plymouth, 1940 to 2026. The record is 67.1 mm (2.6 in) in 1988, marked on the chart; the median year is 29.0 mm (1.1 in).
Wettest day (Rx1day) at Plymouth by year
YearWettest day (Rx1day)
194028.4 mm (1.1 in)
194129.0 mm (1.1 in)
194223.6 mm (0.9 in)
194329.5 mm (1.2 in)
194420.8 mm (0.8 in)
194815.7 mm (0.6 in)
194932.3 mm (1.3 in)
195030.2 mm (1.2 in)
195131.2 mm (1.2 in)
198526.7 mm (1.1 in)
198628.2 mm (1.1 in)
198721.1 mm (0.8 in)
198867.1 mm (2.6 in)
198927.9 mm (1.1 in)
199024.1 mm (0.9 in)
199126.7 mm (1.1 in)
199221.8 mm (0.9 in)
199325.4 mm (1.0 in)
199421.6 mm (0.9 in)
199520.3 mm (0.8 in)
199636.6 mm (1.4 in)
199736.3 mm (1.4 in)
199828.7 mm (1.1 in)
199936.1 mm (1.4 in)
200040.6 mm (1.6 in)
200126.9 mm (1.1 in)
200235.8 mm (1.4 in)
200325.9 mm (1.0 in)
200449.5 mm (1.9 in)
200547.8 mm (1.9 in)
200625.9 mm (1.0 in)
200722.9 mm (0.9 in)
200826.2 mm (1.0 in)
200930.5 mm (1.2 in)
201047.2 mm (1.9 in)
201138.4 mm (1.5 in)
201224.4 mm (1.0 in)
201324.4 mm (1.0 in)
201430.5 mm (1.2 in)
201524.1 mm (0.9 in)
201638.6 mm (1.5 in)
201745.7 mm (1.8 in)
201827.9 mm (1.1 in)
201933.0 mm (1.3 in)
202029.0 mm (1.1 in)
202141.7 mm (1.6 in)
202231.2 mm (1.2 in)
202336.8 mm (1.4 in)
202429.5 mm (1.2 in)
202540.6 mm (1.6 in)
202634.3 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Plymouth by year The wettest five days of the year at Plymouth, 1940 to 2026. The record is 122.9 mm (4.8 in) in 2004, marked on the chart; the median year is 44.7 mm (1.8 in). 25507510012519401960198020002020Record: 122.9 mm (4.8 in) in 2004
The wettest five days of the year at Plymouth, 1940 to 2026. The record is 122.9 mm (4.8 in) in 2004, marked on the chart; the median year is 44.7 mm (1.8 in).
Wettest five days (Rx5day) at Plymouth by year
YearWettest five days (Rx5day)
194035.5 mm (1.4 in)
194138.6 mm (1.5 in)
194242.9 mm (1.7 in)
194341.9 mm (1.6 in)
194441.9 mm (1.6 in)
194827.9 mm (1.1 in)
194968.6 mm (2.7 in)
195038.9 mm (1.5 in)
195136.1 mm (1.4 in)
198532.1 mm (1.3 in)
198654.6 mm (2.1 in)
198757.9 mm (2.3 in)
198868.1 mm (2.7 in)
198933.5 mm (1.3 in)
199038.5 mm (1.5 in)
199140.2 mm (1.6 in)
199232.9 mm (1.3 in)
199347.2 mm (1.9 in)
199426.2 mm (1.0 in)
199549.8 mm (2.0 in)
199639.7 mm (1.6 in)
199748.0 mm (1.9 in)
199868.0 mm (2.7 in)
199941.7 mm (1.6 in)
200047.5 mm (1.9 in)
200135.5 mm (1.4 in)
200258.7 mm (2.3 in)
200338.3 mm (1.5 in)
2004122.9 mm (4.8 in)
2005104.0 mm (4.1 in)
200663.5 mm (2.5 in)
200729.3 mm (1.2 in)
200849.9 mm (2.0 in)
200959.5 mm (2.3 in)
201058.9 mm (2.3 in)
201144.7 mm (1.8 in)
201227.9 mm (1.1 in)
201326.2 mm (1.0 in)
201435.9 mm (1.4 in)
201553.1 mm (2.1 in)
201665.5 mm (2.6 in)
201765.0 mm (2.6 in)
201829.8 mm (1.2 in)
201951.3 mm (2.0 in)
202038.4 mm (1.5 in)
202159.0 mm (2.3 in)
202234.5 mm (1.4 in)
202346.5 mm (1.8 in)
202449.0 mm (1.9 in)
202547.7 mm (1.9 in)
202650.4 mm (2.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Plymouth by year The longest dry spell of the year at Plymouth, 1940 to 2026. The record is 79 days in 2016, marked on the chart; the median year is 39 days. 02040608019401960198020002020Record: 79 days in 2016
The longest dry spell of the year at Plymouth, 1940 to 2026. The record is 79 days in 2016, marked on the chart; the median year is 39 days.
Longest dry spell (CDD) at Plymouth by year
YearLongest dry spell (CDD)
194048 days
194118 days
194229 days
194343 days
194425 days
194839 days
194934 days
195028 days
195134 days
198532 days
198655 days
198738 days
198849 days
198945 days
199032 days
199128 days
199232 days
199337 days
199455 days
199529 days
199657 days
199733 days
199822 days
199938 days
200027 days
200178 days
200242 days
200342 days
200439 days
200547 days
200624 days
200748 days
200860 days
200949 days
201050 days
201128 days
201248 days
201341 days
201441 days
201530 days
201679 days
201748 days
201842 days
201936 days
202053 days
202135 days
202239 days
202314 days
202433 days
202540 days
202626 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.

Rainfall Return Levels

39 years, 1943 to 2025

A day with at least 30.1 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 69.3 mm (2.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Plymouth: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years30.1 mm (1.2 in)
5 years38.6 mm (1.5 in)
10 years45.0 mm (1.8 in)
25 years53.9 mm (2.1 in)
50 years61.3 mm (2.4 in)Longer than the 39 years of record
100 years69.3 mm (2.7 in)Longer than the 39 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 39 years of values from 1943 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 67.1 mm (2.6 in) in 1988; 49.5 mm (1.9 in) in 2004; 47.8 mm (1.9 in) in 2005.

Download the Data

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