Daily records
Page built 2026-10-18
Data as of 2025-12-31
Search
Built 2026-10-18 (18 October 2026)

Churchill Dam Weather Records (USC00171430)

Record envelope, standing records and threshold days for Churchill Dam (USC00171430), Maine, United States, with 39 years of record.

Key Facts for Churchill Dam

  • Churchill Dam (USC00171430) is a weather station in Maine, United States at 46.49 latitude and -69.29 longitude, 285 m (934 ft) above sea level.
  • The station reports from 1988 to 2026, 39 years of record.
  • 1,452 records set at Churchill Dam still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Maine, United States, 46.49 latitude, -69.29 longitude.
  • Elevation: 285 m (934 ft).
  • Period of record: 1988 to 2026, 39 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Churchill Dam, with 2026 drawn through them The band shows the record high and record low for each calendar day at Churchill Dam. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Churchill Dam. 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 Churchill Dam, 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
Feb12.2 C (54.0 F)-42.8 C (-45.0 F)n/an/a
Mar23.3 C (73.9 F)-34.4 C (-29.9 F)n/an/a
Apr26.7 C (80.1 F)-27.8 C (-18.0 F)n/an/a
May32.2 C (90.0 F)-9.4 C (15.1 F)n/an/a
Jun34.4 C (93.9 F)-3.3 C (26.1 F)n/an/a
Jul34.4 C (93.9 F)-5.0 C (23.0 F)n/an/a
Aug37.2 C (99.0 F)-2.8 C (27.0 F)n/an/a
Sep32.8 C (91.0 F)-3.9 C (25.0 F)n/an/a
Oct28.3 C (82.9 F)-10.0 C (14.0 F)n/an/a
Nov25.0 C (77.0 F)-27.2 C (-17.0 F)n/an/a
Dec11.1 C (52.0 F)-35.6 C (-32.1 F)n/an/a

Which Years Hold Standing Records

1,452 standing records
Standing records at Churchill Dam by the year they were set 1,452 records at Churchill Dam still stand. 1989 holds the most, with 136. 0501001501988: 1021989: 1361990: 1311991: 1362009: 42010: 962011: 412012: 642013: 672014: 952015: 882016: 852017: 662018: 802019: 462020: 472021: 502022: 542023: 462024: 181988199020092011201320152017201920212023
1,452 records at Churchill Dam still stand. 1989 holds the most, with 136.
Standing records at Churchill Dam by the year they were set
Year setStanding records
1988102
1989136
1990131
1991136
20094
201096
201141
201264
201367
201495
201588
201685
201766
201880
201946
202047
202150
202254
202346
202418

Wettest Day of Each Month

Aug: 90.4 mm (3.6 in)
Record daily precipitation for each month at Churchill Dam The wettest day on record for each calendar month at Churchill Dam. The most was 90.4 mm (3.6 in) on 8 August 2011. 0255075100 Jan: 25.4 mm (1.0 in), 8 January 1990 Jan Feb: 39.6 mm (1.6 in), 3 February 2021 Feb Mar: 53.3 mm (2.1 in), 15 March 2011 Mar Apr: 54.9 mm (2.2 in), 27 April 2011 Apr May: 38.1 mm (1.5 in), 22 May 2022 May Jun: 61.0 mm (2.4 in), 24 June 2024 Jun Jul: 65.0 mm (2.6 in), 29 July 2014 Jul Aug: 90.4 mm (3.6 in), 8 August 2011 Aug Sep: 50.3 mm (2.0 in), 23 September 1990 Sep Oct: 57.9 mm (2.3 in), 19 October 2022 Oct Nov: 33.0 mm (1.3 in), 11 November 1990 Nov Dec: 74.9 mm (2.9 in), 31 December 2022 Dec
The wettest day on record for each calendar month at Churchill Dam. The most was 90.4 mm (3.6 in) on 8 August 2011.
Record daily precipitation for each month at Churchill Dam
MonthRecord daily precipitation (mm)Date
Jan25.4 mm (1.0 in)8 January 1990
Feb39.6 mm (1.6 in)3 February 2021
Mar53.3 mm (2.1 in)15 March 2011
Apr54.9 mm (2.2 in)27 April 2011
May38.1 mm (1.5 in)22 May 2022
Jun61.0 mm (2.4 in)24 June 2024
Jul65.0 mm (2.6 in)29 July 2014
Aug90.4 mm (3.6 in)8 August 2011
Sep50.3 mm (2.0 in)23 September 1990
Oct57.9 mm (2.3 in)19 October 2022
Nov33.0 mm (1.3 in)11 November 1990
Dec74.9 mm (2.9 in)31 December 2022

Period of Record Coverage

1988 to 2024
Days with data per year at Churchill Dam 20 years of record at Churchill Dam, 1988 to 2024. 20 years have data for under 90 percent of days and are left out of rankings: 1988, 1989, 1990, 1991, 2009, 2010, 2011, 2012 and others. 1988: 228 of 366 days1989: 278 of 365 days1990: 274 of 365 days1991: 264 of 365 days2009: 13 of 365 days2010: 214 of 365 days2011: 184 of 365 days2012: 212 of 366 days2013: 199 of 365 days2014: 233 of 365 days2015: 227 of 365 days2016: 232 of 366 days2017: 226 of 365 days2018: 219 of 365 days2019: 212 of 365 days2020: 148 of 366 days2021: 188 of 365 days2022: 206 of 365 days2023: 148 of 365 days2024: 103 of 366 days1990201020152020
20 years of record at Churchill Dam, 1988 to 2024. 20 years have data for under 90 percent of days and are left out of rankings: 1988, 1989, 1990, 1991, 2009, 2010, 2011, 2012 and others.
Days with data per year at Churchill Dam
YearDays with dataShare of yearComplete
198822862%No
198927876%No
199027475%No
199126472%No
2009134%No
201021459%No
201118450%No
201221258%No
201319955%No
201423364%No
201522762%No
201623263%No
201722662%No
201821960%No
201921258%No
202014840%No
202118852%No
202220656%No
202314841%No
202410328%No

Latest Records

0

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

Extremes by Year

1988 to 2026
Yearly extremes at Churchill Dam: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.2 C (99.0 F)201632.2 C (90.0 F)20
Coldest night (TNn)-42.8 C (-45.0 F)2012-31.4 C (-24.5 F)20
Wettest day (Rx1day)90.4 mm (3.6 in)201148.7 mm (1.9 in)22
Wettest five days (Rx5day)131.1 mm (5.2 in)202271.3 mm (2.8 in)21
Longest dry spell (CDD)17 days199013 days22

Hottest day (TXx)

Hottest day (TXx) at Churchill Dam by year The hottest day of the year at Churchill Dam, 1988 to 2026. The record is 37.2 C (99.0 F) in 2016, marked on the chart; the median year is 32.2 C (90.0 F). 102030401990200020102020Record: 37.2 C (99.0 F) in 2016
The hottest day of the year at Churchill Dam, 1988 to 2026. The record is 37.2 C (99.0 F) in 2016, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Churchill Dam by year
YearHottest day (TXx)
198833.9 C (93.0 F)
198931.7 C (89.1 F)
199032.2 C (90.0 F)
199133.9 C (93.0 F)
200915.6 C (60.1 F)
201033.9 C (93.0 F)
201130.6 C (87.1 F)
201232.2 C (90.0 F)
201335.0 C (95.0 F)
201431.7 C (89.1 F)
201532.2 C (90.0 F)
201637.2 C (99.0 F)
201730.6 C (87.1 F)
201832.8 C (91.0 F)
201934.4 C (93.9 F)
202032.8 C (91.0 F)
202132.2 C (90.0 F)
202231.1 C (88.0 F)
202332.2 C (90.0 F)
202433.9 C (93.0 F)
2025n/a
2026n/a

Coldest night (TNn)

Coldest night (TNn) at Churchill Dam by year The coldest night of the year at Churchill Dam, 1988 to 2026. The record is -42.8 C (-45.0 F) in 2012, marked on the chart; the median year is -31.4 C (-24.5 F). -50-40-30-201990200020102020Record: -42.8 C (-45.0 F) in 2012
The coldest night of the year at Churchill Dam, 1988 to 2026. The record is -42.8 C (-45.0 F) in 2012, marked on the chart; the median year is -31.4 C (-24.5 F).
Coldest night (TNn) at Churchill Dam by year
YearColdest night (TNn)
1988-30.0 C (-22.0 F)
1989-35.6 C (-32.1 F)
1990-31.7 C (-25.1 F)
1991-33.3 C (-27.9 F)
2009-23.3 C (-9.9 F)
2010-28.9 C (-20.0 F)
2011-31.1 C (-24.0 F)
2012-42.8 C (-45.0 F)
2013-32.8 C (-27.0 F)
2014-38.3 C (-36.9 F)
2015-33.9 C (-29.0 F)
2016-31.7 C (-25.1 F)
2017-33.3 C (-27.9 F)
2018-29.4 C (-20.9 F)
2019-30.0 C (-22.0 F)
2020-22.8 C (-9.0 F)
2021-29.4 C (-20.9 F)
2022-34.4 C (-29.9 F)
2023-31.1 C (-24.0 F)
2024-21.1 C (-6.0 F)
2025n/a
2026n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Churchill Dam by year The wettest day of the year at Churchill Dam, 1988 to 2026. The record is 90.4 mm (3.6 in) in 2011, marked on the chart; the median year is 48.7 mm (1.9 in). 0204060801001990200020102020Record: 90.4 mm (3.6 in) in 2011
The wettest day of the year at Churchill Dam, 1988 to 2026. The record is 90.4 mm (3.6 in) in 2011, marked on the chart; the median year is 48.7 mm (1.9 in).
Wettest day (Rx1day) at Churchill Dam by year
YearWettest day (Rx1day)
198830.0 mm (1.2 in)
198949.8 mm (2.0 in)
199050.3 mm (2.0 in)
199160.5 mm (2.4 in)
200926.4 mm (1.0 in)
201046.0 mm (1.8 in)
201190.4 mm (3.6 in)
201239.6 mm (1.6 in)
201331.2 mm (1.2 in)
201465.0 mm (2.6 in)
201544.7 mm (1.8 in)
201664.5 mm (2.5 in)
201748.0 mm (1.9 in)
201849.3 mm (1.9 in)
201951.6 mm (2.0 in)
202047.0 mm (1.9 in)
202139.6 mm (1.6 in)
202274.9 mm (2.9 in)
202340.6 mm (1.6 in)
202461.0 mm (2.4 in)
202510.7 mm (0.4 in)
202654.6 mm (2.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Churchill Dam by year The wettest five days of the year at Churchill Dam, 1988 to 2026. The record is 131.1 mm (5.2 in) in 2022, marked on the chart; the median year is 71.3 mm (2.8 in). 0501001501990200020102020Record: 131.1 mm (5.2 in) in 2022
The wettest five days of the year at Churchill Dam, 1988 to 2026. The record is 131.1 mm (5.2 in) in 2022, marked on the chart; the median year is 71.3 mm (2.8 in).
Wettest five days (Rx5day) at Churchill Dam by year
YearWettest five days (Rx5day)
198846.3 mm (1.8 in)
198963.8 mm (2.5 in)
199066.6 mm (2.6 in)
199164.0 mm (2.5 in)
200926.4 mm (1.0 in)
201098.2 mm (3.9 in)
2011130.6 mm (5.1 in)
201276.8 mm (3.0 in)
201374.1 mm (2.9 in)
2014100.5 mm (4.0 in)
201570.3 mm (2.8 in)
201685.9 mm (3.4 in)
201771.3 mm (2.8 in)
201853.3 mm (2.1 in)
201954.3 mm (2.1 in)
2020108.0 mm (4.3 in)
202161.5 mm (2.4 in)
2022131.1 mm (5.2 in)
202366.8 mm (2.6 in)
202485.0 mm (3.3 in)
2025n/a
202675.3 mm (3.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Churchill Dam by year The longest dry spell of the year at Churchill Dam, 1988 to 2026. The record is 17 days in 1990, marked on the chart; the median year is 13 days. 051015201990200020102020Record: 17 days in 1990
The longest dry spell of the year at Churchill Dam, 1988 to 2026. The record is 17 days in 1990, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Churchill Dam by year
YearLongest dry spell (CDD)
198815 days
19899 days
199017 days
199112 days
200913 days
201015 days
201113 days
201211 days
201314 days
201413 days
201511 days
201614 days
201717 days
20189 days
20198 days
202015 days
202111 days
202217 days
202317 days
20249 days
20253 days
20269 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 Churchill Dam standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Churchill Dam 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).