Mapleton Weather Records (CA008102566)

Record envelope, standing records and threshold days for Mapleton (CA008102566), New Brunswick, Canada, with 40 years of record.

Key Facts for Mapleton

Mapleton (CA008102566) is a weather station in New Brunswick, Canada at 46.18 latitude and -67.23 longitude, 168 m (551 ft) above sea level.
The station reports from 1972 to 2011, 40 years of record.
1,464 records set at Mapleton 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, 46.18 latitude, -67.23 longitude.
Elevation: 168 m (551 ft).
Period of record: 1972 to 2011, 40 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Mapleton. 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 Mapleton, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.0 C (53.6 F)	-35.0 C (-31.0 F)	n/a	n/a
Feb	12.5 C (54.5 F)	-29.4 C (-20.9 F)	n/a	n/a
Mar	17.2 C (63.0 F)	-26.7 C (-16.1 F)	n/a	n/a
Apr	22.8 C (73.0 F)	-15.6 C (3.9 F)	n/a	n/a
May	33.9 C (93.0 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	32.0 C (89.6 F)	3.0 C (37.4 F)	n/a	n/a
Aug	35.0 C (95.0 F)	-2.0 C (28.4 F)	n/a	n/a
Sep	30.0 C (86.0 F)	-5.0 C (23.0 F)	n/a	n/a
Oct	24.0 C (75.2 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	18.0 C (64.4 F)	-20.6 C (-5.1 F)	n/a	n/a
Dec	13.9 C (57.0 F)	-31.5 C (-24.7 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mapleton still stand. 1979 holds the most, with 150.

Wettest Day of Each Month

Apr: 81.3 mm (3.2 in)

The wettest day on record for each calendar month at Mapleton. The most was 81.3 mm (3.2 in) on 28 April 1973.

Record daily precipitation for each month at Mapleton
Month	Record daily precipitation (mm)	Date
Jan	69.3 mm (2.7 in)	27 January 1976
Feb	55.4 mm (2.2 in)	14 February 1972
Mar	39.4 mm (1.6 in)	25 March 1979
Apr	81.3 mm (3.2 in)	28 April 1973
May	53.4 mm (2.1 in)	30 May 1983
Jun	50.8 mm (2.0 in)	17 June 1974
Jul	74.4 mm (2.9 in)	29 July 1973
Aug	49.0 mm (1.9 in)	25 August 1982
Sep	57.9 mm (2.3 in)	6 September 1979
Oct	42.4 mm (1.7 in)	9 October 1976
Nov	48.6 mm (1.9 in)	25 November 1983
Dec	49.5 mm (1.9 in)	25 December 1979

Period of Record Coverage

1972 to 1983

12 years of record at Mapleton, 1972 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1972.

Days with data per year at Mapleton
Year	Days with data	Share of year	Complete
1972	242	66%	No
1973	365	100%	Yes
1974	365	100%	Yes
1975	363	99%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	362	99%	Yes
1981	365	100%	Yes
1982	362	99%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

11 complete years, 1973 to 1983

One stripe for each of 11 complete years at Mapleton, 1973 to 1983. Blue stripes are years cooler than the station's own mean of 4.2 C (39.6 F); red stripes are warmer. The coolest year was 1978, at 3.5 C (38.3 F), and the warmest was 1973, at 5.1 C (41.2 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at Mapleton as warming stripes, 1973 to 1983
Year	Annual mean temperature	Difference from the station mean
1973	5.1 C	+0.91 C
1974	3.7 C	-0.49 C
1975	4.2 C	+0.01 C
1976	3.6 C	-0.63 C
1977	4.1 C	-0.12 C
1978	3.5 C	-0.70 C
1979	5.0 C	+0.83 C
1980	3.8 C	-0.43 C
1981	5.0 C	+0.76 C
1982	3.6 C	-0.61 C
1983	4.7 C	+0.47 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1972 to 1983

Yearly extremes at Mapleton: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1975	31.9 C (89.3 F)	12
Coldest night (TNn)	-35.0 C (-31.0 F)	1976	-31.6 C (-24.9 F)	12
Wettest day (Rx1day)	81.3 mm (3.2 in)	1973	50.5 mm (2.0 in)	12
Wettest five days (Rx5day)	127.8 mm (5.0 in)	1973	74.3 mm (2.9 in)	12
Longest dry spell (CDD)	23 days	1980	15 days	12

Hottest day (TXx)

The hottest day of the year at Mapleton, 1972 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 31.9 C (89.3 F).

Hottest day (TXx) at Mapleton by year
Year	Hottest day (TXx)
1972	31.7 C (89.1 F)
1973	31.1 C (88.0 F)
1974	30.6 C (87.1 F)
1975	35.0 C (95.0 F)
1976	32.2 C (90.0 F)
1977	33.9 C (93.0 F)
1978	32.2 C (90.0 F)
1979	31.1 C (88.0 F)
1980	30.0 C (86.0 F)
1981	31.0 C (87.8 F)
1982	32.0 C (89.6 F)
1983	32.0 C (89.6 F)

Coldest night (TNn)

The coldest night of the year at Mapleton, 1972 to 1983. The record is -35.0 C (-31.0 F) in 1976, marked on the chart; the median year is -31.6 C (-24.9 F).

Coldest night (TNn) at Mapleton by year
Year	Coldest night (TNn)
1972	-28.9 C (-20.0 F)
1973	-31.7 C (-25.1 F)
1974	-31.7 C (-25.1 F)
1975	-31.7 C (-25.1 F)
1976	-35.0 C (-31.0 F)
1977	-31.1 C (-24.0 F)
1978	-27.8 C (-18.0 F)
1979	-30.0 C (-22.0 F)
1980	-31.5 C (-24.7 F)
1981	-33.5 C (-28.3 F)
1982	-34.0 C (-29.2 F)
1983	-27.0 C (-16.6 F)

Wettest day (Rx1day)

The wettest day of the year at Mapleton, 1972 to 1983. The record is 81.3 mm (3.2 in) in 1973, marked on the chart; the median year is 50.5 mm (2.0 in).

Wettest day (Rx1day) at Mapleton by year
Year	Wettest day (Rx1day)
1972	55.4 mm (2.2 in)
1973	81.3 mm (3.2 in)
1974	50.8 mm (2.0 in)
1975	43.9 mm (1.7 in)
1976	69.3 mm (2.7 in)
1977	45.7 mm (1.8 in)
1978	40.6 mm (1.6 in)
1979	57.9 mm (2.3 in)
1980	41.2 mm (1.6 in)
1981	50.2 mm (2.0 in)
1982	49.0 mm (1.9 in)
1983	53.4 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mapleton, 1972 to 1983. The record is 127.8 mm (5.0 in) in 1973, marked on the chart; the median year is 74.3 mm (2.9 in).

Wettest five days (Rx5day) at Mapleton by year
Year	Wettest five days (Rx5day)
1972	58.3 mm (2.3 in)
1973	127.8 mm (5.0 in)
1974	71.4 mm (2.8 in)
1975	72.4 mm (2.9 in)
1976	110.0 mm (4.3 in)
1977	79.8 mm (3.1 in)
1978	61.4 mm (2.4 in)
1979	69.6 mm (2.7 in)
1980	70.6 mm (2.8 in)
1981	86.2 mm (3.4 in)
1982	76.2 mm (3.0 in)
1983	95.4 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mapleton, 1972 to 1983. The record is 23 days in 1980, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Mapleton by year
Year	Longest dry spell (CDD)
1972	12 days
1973	11 days
1974	13 days
1975	13 days
1976	18 days
1977	17 days
1978	21 days
1979	18 days
1980	23 days
1981	13 days
1982	16 days
1983	14 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 Mapleton standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mapleton 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).