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Dorchester Weather Records (CA008101230)

Record envelope, standing records and threshold days for Dorchester (CA008101230), New Brunswick, Canada, with 68 years of record.

Key Facts for Dorchester

  • Dorchester (CA008101230) is a weather station in New Brunswick, Canada at 45.92 latitude and -64.52 longitude, 6 m (20 ft) above sea level.
  • The station reports from 1871 to 1938, 68 years of record.
  • 1,464 records set at Dorchester still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: New Brunswick, Canada, 45.92 latitude, -64.52 longitude.
  • Elevation: 6 m (20 ft).
  • Period of record: 1871 to 1938, 68 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Dorchester, with 2026 drawn through them The band shows the record high and record low for each calendar day at Dorchester. 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 Dorchester. 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 Dorchester, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan8.3 C (46.9 F)-32.2 C (-26.0 F)n/an/a
Feb8.3 C (46.9 F)-29.4 C (-20.9 F)n/an/a
Mar10.0 C (50.0 F)-20.6 C (-5.1 F)n/an/a
Apr19.4 C (66.9 F)-13.3 C (8.1 F)n/an/a
May25.6 C (78.1 F)-6.1 C (21.0 F)n/an/a
Jun28.3 C (82.9 F)-0.6 C (30.9 F)n/an/a
Jul29.4 C (84.9 F)4.4 C (39.9 F)n/an/a
Aug28.3 C (82.9 F)2.8 C (37.0 F)n/an/a
Sep25.0 C (77.0 F)-2.8 C (27.0 F)n/an/a
Oct22.2 C (72.0 F)-8.3 C (17.1 F)n/an/a
Nov13.9 C (57.0 F)-18.9 C (-2.0 F)n/an/a
Dec12.8 C (55.0 F)-30.6 C (-23.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Dorchester by the year they were set 1,464 records at Dorchester still stand. 1889 holds the most, with 259. 01002003001879: 2301880: 161888: 2341889: 2591890: 1931891: 2151892: 2391893: 7818791880188818891890189118921893
1,464 records at Dorchester still stand. 1889 holds the most, with 259.
Standing records at Dorchester by the year they were set
Year setStanding records
1879230
188016
1888234
1889259
1890193
1891215
1892239
189378

Wettest Day of Each Month

Sep: 100.3 mm (3.9 in)
Record daily precipitation for each month at Dorchester The wettest day on record for each calendar month at Dorchester. The most was 100.3 mm (3.9 in) on 18 September 1890. 050100150 Jan: 55.9 mm (2.2 in), 7 January 1875 Jan Feb: 63.5 mm (2.5 in), 24 February 1882 Feb Mar: 54.9 mm (2.2 in), 19 March 1892 Mar Apr: 91.2 mm (3.6 in), 22 April 1884 Apr May: 54.9 mm (2.2 in), 8 May 1877 May Jun: 40.6 mm (1.6 in), 16 June 1873 Jun Jul: 81.8 mm (3.2 in), 23 July 1878 Jul Aug: 59.9 mm (2.4 in), 25 August 1873 Aug Sep: 100.3 mm (3.9 in), 18 September 1890 Sep Oct: 84.6 mm (3.3 in), 30 October 1885 Oct Nov: 62.7 mm (2.5 in), 9 November 1876 Nov Dec: 58.4 mm (2.3 in), 28 December 1885 Dec
The wettest day on record for each calendar month at Dorchester. The most was 100.3 mm (3.9 in) on 18 September 1890.
Record daily precipitation for each month at Dorchester
MonthRecord daily precipitation (mm)Date
Jan55.9 mm (2.2 in)7 January 1875
Feb63.5 mm (2.5 in)24 February 1882
Mar54.9 mm (2.2 in)19 March 1892
Apr91.2 mm (3.6 in)22 April 1884
May54.9 mm (2.2 in)8 May 1877
Jun40.6 mm (1.6 in)16 June 1873
Jul81.8 mm (3.2 in)23 July 1878
Aug59.9 mm (2.4 in)25 August 1873
Sep100.3 mm (3.9 in)18 September 1890
Oct84.6 mm (3.3 in)30 October 1885
Nov62.7 mm (2.5 in)9 November 1876
Dec58.4 mm (2.3 in)28 December 1885

Period of Record Coverage

1879 to 1893
Days with data per year at Dorchester 8 years of record at Dorchester, 1879 to 1893. 2 years have data for under 90 percent of days and are left out of rankings: 1880, 1893. 1879: 365 of 365 days1880: 31 of 366 days1888: 366 of 366 days1889: 365 of 365 days1890: 365 of 365 days1891: 364 of 365 days1892: 366 of 366 days1893: 90 of 365 days18801890
8 years of record at Dorchester, 1879 to 1893. 2 years have data for under 90 percent of days and are left out of rankings: 1880, 1893.
Days with data per year at Dorchester
YearDays with dataShare of yearComplete
1879365100%Yes
1880318%No
1888366100%Yes
1889365100%Yes
1890365100%Yes
1891364100%Yes
1892366100%Yes
18939025%No

Latest Records

0

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

Extremes by Year

1871 to 1938
Yearly extremes at Dorchester: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)29.4 C (84.9 F)189227.8 C (82.0 F)8
Coldest night (TNn)-32.2 C (-26.0 F)1890-26.9 C (-16.5 F)8
Wettest day (Rx1day)100.3 mm (3.9 in)189055.4 mm (2.2 in)28
Wettest five days (Rx5day)181.4 mm (7.1 in)188481.7 mm (3.2 in)28
Longest dry spell (CDD)31 days188913 days28

Hottest day (TXx)

Hottest day (TXx) at Dorchester by year The hottest day of the year at Dorchester, 1871 to 1938. The record is 29.4 C (84.9 F) in 1892, marked on the chart; the median year is 27.8 C (82.0 F). 0102030188019001920Record: 29.4 C (84.9 F) in 1892
The hottest day of the year at Dorchester, 1871 to 1938. The record is 29.4 C (84.9 F) in 1892, marked on the chart; the median year is 27.8 C (82.0 F).
Hottest day (TXx) at Dorchester by year
YearHottest day (TXx)
1871n/a
1872n/a
1873n/a
1874n/a
1875n/a
1876n/a
1877n/a
1878n/a
187928.3 C (82.9 F)
18805.0 C (41.0 F)
1881n/a
1882n/a
1883n/a
1884n/a
1885n/a
1886n/a
1887n/a
188828.3 C (82.9 F)
188927.2 C (81.0 F)
189027.2 C (81.0 F)
189128.3 C (82.9 F)
189229.4 C (84.9 F)
18937.2 C (45.0 F)
1933n/a
1935n/a
1936n/a
1937n/a
1938n/a

Coldest night (TNn)

Coldest night (TNn) at Dorchester by year The coldest night of the year at Dorchester, 1871 to 1938. The record is -32.2 C (-26.0 F) in 1890, marked on the chart; the median year is -26.9 C (-16.5 F). -35-30-25-20188019001920Record: -32.2 C (-26.0 F) in 1890
The coldest night of the year at Dorchester, 1871 to 1938. The record is -32.2 C (-26.0 F) in 1890, marked on the chart; the median year is -26.9 C (-16.5 F).
Coldest night (TNn) at Dorchester by year
YearColdest night (TNn)
1871n/a
1872n/a
1873n/a
1874n/a
1875n/a
1876n/a
1877n/a
1878n/a
1879-30.6 C (-23.1 F)
1880-21.7 C (-7.1 F)
1881n/a
1882n/a
1883n/a
1884n/a
1885n/a
1886n/a
1887n/a
1888-26.7 C (-16.1 F)
1889-29.4 C (-20.9 F)
1890-32.2 C (-26.0 F)
1891-26.1 C (-15.0 F)
1892-26.1 C (-15.0 F)
1893-27.2 C (-17.0 F)
1933n/a
1935n/a
1936n/a
1937n/a
1938n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Dorchester by year The wettest day of the year at Dorchester, 1871 to 1938. The record is 100.3 mm (3.9 in) in 1890, marked on the chart; the median year is 55.4 mm (2.2 in). 20406080100120188019001920Record: 100.3 mm (3.9 in) in 1890
The wettest day of the year at Dorchester, 1871 to 1938. The record is 100.3 mm (3.9 in) in 1890, marked on the chart; the median year is 55.4 mm (2.2 in).
Wettest day (Rx1day) at Dorchester by year
YearWettest day (Rx1day)
187133.0 mm (1.3 in)
187249.0 mm (1.9 in)
187359.9 mm (2.4 in)
187443.2 mm (1.7 in)
187555.9 mm (2.2 in)
187662.7 mm (2.5 in)
187783.3 mm (3.3 in)
187881.8 mm (3.2 in)
187980.3 mm (3.2 in)
188053.3 mm (2.1 in)
188140.1 mm (1.6 in)
188263.5 mm (2.5 in)
188346.5 mm (1.8 in)
188491.2 mm (3.6 in)
188584.6 mm (3.3 in)
188648.5 mm (1.9 in)
188754.9 mm (2.2 in)
188871.1 mm (2.8 in)
188944.7 mm (1.8 in)
1890100.3 mm (3.9 in)
189158.2 mm (2.3 in)
189254.9 mm (2.2 in)
189348.0 mm (1.9 in)
193362.5 mm (2.5 in)
193546.7 mm (1.8 in)
193652.3 mm (2.1 in)
193738.1 mm (1.5 in)
193866.3 mm (2.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Dorchester by year The wettest five days of the year at Dorchester, 1871 to 1938. The record is 181.4 mm (7.1 in) in 1884, marked on the chart; the median year is 81.7 mm (3.2 in). 50100150200188019001920Record: 181.4 mm (7.1 in) in 1884
The wettest five days of the year at Dorchester, 1871 to 1938. The record is 181.4 mm (7.1 in) in 1884, marked on the chart; the median year is 81.7 mm (3.2 in).
Wettest five days (Rx5day) at Dorchester by year
YearWettest five days (Rx5day)
187187.6 mm (3.4 in)
187290.5 mm (3.6 in)
187398.1 mm (3.9 in)
187474.6 mm (2.9 in)
187583.1 mm (3.3 in)
1876123.2 mm (4.9 in)
187786.1 mm (3.4 in)
1878149.1 mm (5.9 in)
187980.3 mm (3.2 in)
188053.3 mm (2.1 in)
188173.9 mm (2.9 in)
188287.7 mm (3.5 in)
188376.4 mm (3.0 in)
1884181.4 mm (7.1 in)
188592.5 mm (3.6 in)
188679.7 mm (3.1 in)
1887100.4 mm (4.0 in)
188876.2 mm (3.0 in)
188959.1 mm (2.3 in)
1890130.6 mm (5.1 in)
189173.2 mm (2.9 in)
1892100.0 mm (3.9 in)
189359.9 mm (2.4 in)
1933132.3 mm (5.2 in)
193571.1 mm (2.8 in)
193670.0 mm (2.8 in)
193778.0 mm (3.1 in)
193873.2 mm (2.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Dorchester by year The longest dry spell of the year at Dorchester, 1871 to 1938. The record is 31 days in 1889, marked on the chart; the median year is 13 days. 010203040188019001920Record: 31 days in 1889
The longest dry spell of the year at Dorchester, 1871 to 1938. The record is 31 days in 1889, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Dorchester by year
YearLongest dry spell (CDD)
187115 days
187213 days
18739 days
187415 days
187523 days
187614 days
187723 days
187812 days
187910 days
188011 days
188112 days
188213 days
188312 days
188412 days
188519 days
188618 days
188713 days
188812 days
188931 days
189010 days
189116 days
189217 days
189312 days
19334 days
193519 days
193611 days
193722 days
193817 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 Dorchester standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Dorchester 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).