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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Helper-Carbon Plt Weather Records (USC00423836)

Record envelope, standing records and threshold days for Helper-Carbon Plt (USC00423836), Utah, United States, with 34 years of record.

Key Facts for Helper-Carbon Plt

  • Helper-Carbon Plt (USC00423836) is a weather station in Utah, United States at 39.73 latitude and -110.87 longitude, 1,859 m (6,100 ft) above sea level.
  • The station reports from 1980 to 2013, 34 years of record.
  • 1,364 records set at Helper-Carbon Plt 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, 39.73 latitude, -110.87 longitude.
  • Elevation: 1,859 m (6,100 ft).
  • Period of record: 1980 to 2013, 34 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Helper-Carbon Plt, with 2026 drawn through them The band shows the record high and record low for each calendar day at Helper-Carbon Plt. 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 Helper-Carbon Plt. 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 Helper-Carbon Plt, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.0 C (50.0 F)-21.1 C (-6.0 F)n/an/a
Feb11.1 C (52.0 F)-21.1 C (-6.0 F)n/an/a
Mar17.8 C (64.0 F)-10.6 C (12.9 F)n/an/a
Apr27.2 C (81.0 F)-6.1 C (21.0 F)n/an/a
May31.1 C (88.0 F)-2.8 C (27.0 F)n/an/a
Jun36.7 C (98.1 F)2.2 C (36.0 F)n/an/a
Jul36.1 C (97.0 F)11.7 C (53.1 F)n/an/a
Aug35.0 C (95.0 F)12.2 C (54.0 F)n/an/a
Sep32.2 C (90.0 F)3.9 C (39.0 F)n/an/a
Oct28.9 C (84.0 F)-0.6 C (30.9 F)n/an/a
Nov18.9 C (66.0 F)-7.2 C (19.0 F)n/an/a
Dec11.1 C (52.0 F)-17.2 C (1.0 F)n/an/a

Which Years Hold Standing Records

1,364 standing records
Standing records at Helper-Carbon Plt by the year they were set 1,364 records at Helper-Carbon Plt still stand. 2011 holds the most, with 533. 02004006001980: 912011: 5332012: 5322013: 2081980201120122013
1,364 records at Helper-Carbon Plt still stand. 2011 holds the most, with 533.
Standing records at Helper-Carbon Plt by the year they were set
Year setStanding records
198091
2011533
2012532
2013208

Wettest Day of Each Month

Dec: 76.2 mm (3.0 in)
Record daily precipitation for each month at Helper-Carbon Plt The wettest day on record for each calendar month at Helper-Carbon Plt. The most was 76.2 mm (3.0 in) on 13 December 1999. 020406080 Jan: 29.2 mm (1.1 in), 22 January 2012 Jan Feb: 38.6 mm (1.5 in), 20 February 2011 Feb Mar: 36.1 mm (1.4 in), 13 March 1996 Mar Apr: 19.1 mm (0.8 in), 28 April 1994 Apr May: 43.2 mm (1.7 in), 19 May 2011 May Jun: 25.4 mm (1.0 in), 6 June 1984 Jun Jul: 43.2 mm (1.7 in), 17 July 1987 Jul Aug: 43.2 mm (1.7 in), 4 August 1997 Aug Sep: 51.3 mm (2.0 in), 15 September 2011 Sep Oct: 34.3 mm (1.4 in), 6 October 2011 Oct Nov: 48.3 mm (1.9 in), 30 November 1982 Nov Dec: 76.2 mm (3.0 in), 13 December 1999 Dec
The wettest day on record for each calendar month at Helper-Carbon Plt. The most was 76.2 mm (3.0 in) on 13 December 1999.
Record daily precipitation for each month at Helper-Carbon Plt
MonthRecord daily precipitation (mm)Date
Jan29.2 mm (1.1 in)22 January 2012
Feb38.6 mm (1.5 in)20 February 2011
Mar36.1 mm (1.4 in)13 March 1996
Apr19.1 mm (0.8 in)28 April 1994
May43.2 mm (1.7 in)19 May 2011
Jun25.4 mm (1.0 in)6 June 1984
Jul43.2 mm (1.7 in)17 July 1987
Aug43.2 mm (1.7 in)4 August 1997
Sep51.3 mm (2.0 in)15 September 2011
Oct34.3 mm (1.4 in)6 October 2011
Nov48.3 mm (1.9 in)30 November 1982
Dec76.2 mm (3.0 in)13 December 1999

Period of Record Coverage

1980 to 2013
Days with data per year at Helper-Carbon Plt 4 years of record at Helper-Carbon Plt, 1980 to 2013. 4 years have data for under 90 percent of days and are left out of rankings: 1980, 2011, 2012, 2013. 1980: 60 of 366 days2011: 233 of 365 days2012: 239 of 366 days2013: 115 of 365 days1980
4 years of record at Helper-Carbon Plt, 1980 to 2013. 4 years have data for under 90 percent of days and are left out of rankings: 1980, 2011, 2012, 2013.
Days with data per year at Helper-Carbon Plt
YearDays with dataShare of yearComplete
19806016%No
201123364%No
201223965%No
201311532%No

Latest Records

0

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

Extremes by Year

1980 to 2013
Yearly extremes at Helper-Carbon Plt: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)201233.6 C (92.5 F)4
Coldest night (TNn)-21.1 C (-6.0 F)2011-19.1 C (-2.5 F)4
Wettest day (Rx1day)76.2 mm (3.0 in)199930.0 mm (1.2 in)27
Wettest five days (Rx5day)101.6 mm (4.0 in)199948.0 mm (1.9 in)27
Longest dry spell (CDD)59 days200235 days27

Hottest day (TXx)

Hottest day (TXx) at Helper-Carbon Plt by year The hottest day of the year at Helper-Carbon Plt, 1980 to 2013. The record is 36.7 C (98.1 F) in 2012, marked on the chart; the median year is 33.6 C (92.5 F). 27.53032.53537.51980199020002010Record: 36.7 C (98.1 F) in 2012
The hottest day of the year at Helper-Carbon Plt, 1980 to 2013. The record is 36.7 C (98.1 F) in 2012, marked on the chart; the median year is 33.6 C (92.5 F).
Hottest day (TXx) at Helper-Carbon Plt by year
YearHottest day (TXx)
198032.2 C (90.0 F)
1981n/a
1982n/a
1983n/a
1984n/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
201135.0 C (95.0 F)
201236.7 C (98.1 F)
201328.3 C (82.9 F)

Coldest night (TNn)

Coldest night (TNn) at Helper-Carbon Plt by year The coldest night of the year at Helper-Carbon Plt, 1980 to 2013. The record is -21.1 C (-6.0 F) in 2011, marked on the chart; the median year is -19.1 C (-2.5 F). -30-20-100101980199020002010Record: -21.1 C (-6.0 F) in 2011
The coldest night of the year at Helper-Carbon Plt, 1980 to 2013. The record is -21.1 C (-6.0 F) in 2011, marked on the chart; the median year is -19.1 C (-2.5 F).
Coldest night (TNn) at Helper-Carbon Plt by year
YearColdest night (TNn)
19800.6 C (33.1 F)
1981n/a
1982n/a
1983n/a
1984n/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
2011-21.1 C (-6.0 F)
2012-17.2 C (1.0 F)
2013-21.1 C (-6.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Helper-Carbon Plt by year The wettest day of the year at Helper-Carbon Plt, 1980 to 2013. The record is 76.2 mm (3.0 in) in 1999, marked on the chart; the median year is 30.0 mm (1.2 in). 0204060801980199020002010Record: 76.2 mm (3.0 in) in 1999
The wettest day of the year at Helper-Carbon Plt, 1980 to 2013. The record is 76.2 mm (3.0 in) in 1999, marked on the chart; the median year is 30.0 mm (1.2 in).
Wettest day (Rx1day) at Helper-Carbon Plt by year
YearWettest day (Rx1day)
198015.2 mm (0.6 in)
198130.5 mm (1.2 in)
198248.3 mm (1.9 in)
198325.9 mm (1.0 in)
198425.4 mm (1.0 in)
198522.9 mm (0.9 in)
198633.0 mm (1.3 in)
198743.2 mm (1.7 in)
198833.5 mm (1.3 in)
198925.4 mm (1.0 in)
199016.8 mm (0.7 in)
199135.6 mm (1.4 in)
199221.1 mm (0.8 in)
199316.3 mm (0.6 in)
199430.5 mm (1.2 in)
199530.5 mm (1.2 in)
199636.1 mm (1.4 in)
199743.2 mm (1.7 in)
199824.9 mm (1.0 in)
199976.2 mm (3.0 in)
200030.0 mm (1.2 in)
200120.6 mm (0.8 in)
200225.4 mm (1.0 in)
200321.1 mm (0.8 in)
201151.3 mm (2.0 in)
201233.5 mm (1.3 in)
201317.8 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Helper-Carbon Plt by year The wettest five days of the year at Helper-Carbon Plt, 1980 to 2013. The record is 101.6 mm (4.0 in) in 1999, marked on the chart; the median year is 48.0 mm (1.9 in). 02550751001251980199020002010Record: 101.6 mm (4.0 in) in 1999
The wettest five days of the year at Helper-Carbon Plt, 1980 to 2013. The record is 101.6 mm (4.0 in) in 1999, marked on the chart; the median year is 48.0 mm (1.9 in).
Wettest five days (Rx5day) at Helper-Carbon Plt by year
YearWettest five days (Rx5day)
198029.7 mm (1.2 in)
198154.9 mm (2.2 in)
198263.4 mm (2.5 in)
198358.2 mm (2.3 in)
198440.6 mm (1.6 in)
198537.9 mm (1.5 in)
198668.3 mm (2.7 in)
198748.0 mm (1.9 in)
198837.8 mm (1.5 in)
198963.5 mm (2.5 in)
199024.1 mm (0.9 in)
199161.7 mm (2.4 in)
199246.4 mm (1.8 in)
199339.6 mm (1.6 in)
199450.0 mm (2.0 in)
199543.1 mm (1.7 in)
199652.6 mm (2.1 in)
199755.4 mm (2.2 in)
199832.2 mm (1.3 in)
1999101.6 mm (4.0 in)
200048.8 mm (1.9 in)
200130.2 mm (1.2 in)
200263.0 mm (2.5 in)
200325.7 mm (1.0 in)
201156.7 mm (2.2 in)
201244.5 mm (1.8 in)
201318.3 mm (0.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Helper-Carbon Plt by year The longest dry spell of the year at Helper-Carbon Plt, 1980 to 2013. The record is 59 days in 2002, marked on the chart; the median year is 35 days. 02040601980199020002010Record: 59 days in 2002
The longest dry spell of the year at Helper-Carbon Plt, 1980 to 2013. The record is 59 days in 2002, marked on the chart; the median year is 35 days.
Longest dry spell (CDD) at Helper-Carbon Plt by year
YearLongest dry spell (CDD)
198045 days
198133 days
198233 days
198334 days
198431 days
198539 days
198642 days
198728 days
198831 days
198940 days
199029 days
199140 days
199234 days
199340 days
199456 days
199523 days
199640 days
199738 days
199850 days
199941 days
200035 days
200120 days
200259 days
200337 days
201114 days
201218 days
201316 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 Helper-Carbon Plt standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Helper-Carbon Plt 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 (2025-12-31).