Exploits Dam Weather Records (CA008401550)

Record envelope, standing records and threshold days for Exploits Dam (CA008401550), Newfoundland and Labrador, Canada, with 53 years of record.

Key Facts for Exploits Dam

Exploits Dam (CA008401550) is a weather station in Newfoundland and Labrador, Canada at 48.77 latitude and -56.60 longitude, 154 m (505 ft) above sea level.
The station reports from 1956 to 2008, 53 years of record.
1,464 records set at Exploits Dam still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Newfoundland and Labrador, Canada, 48.77 latitude, -56.60 longitude.
Elevation: 154 m (505 ft).
Period of record: 1956 to 2008, 53 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 Exploits 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 Exploits Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.0 C (51.8 F)	-32.8 C (-27.0 F)	n/a	n/a
Feb	11.1 C (52.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Mar	14.4 C (57.9 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	21.1 C (70.0 F)	-18.9 C (-2.0 F)	n/a	n/a
May	27.2 C (81.0 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	30.0 C (86.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	32.0 C (89.6 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	32.2 C (90.0 F)	-1.7 C (28.9 F)	n/a	n/a
Sep	27.8 C (82.0 F)	-4.4 C (24.1 F)	n/a	n/a
Oct	22.8 C (73.0 F)	-10.0 C (14.0 F)	n/a	n/a
Nov	17.8 C (64.0 F)	-16.1 C (3.0 F)	n/a	n/a
Dec	15.0 C (59.0 F)	-24.4 C (-11.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Exploits Dam still stand. 1972 holds the most, with 80.

Standing records at Exploits Dam by the year they were set
Year set	Standing records
1956	29
1957	58
1958	49
1959	62
1960	43
1961	53
1962	48
1963	59
1964	53
1965	36
1966	33
1967	68
1968	33
1969	59
1970	54
1971	52
1972	80
1973	49
1974	52
1975	68
1976	53
1977	44
1978	54
1979	70
1980	33
1981	47
1982	58
1983	67

Wettest Day of Each Month

Oct: 81.5 mm (3.2 in)

The wettest day on record for each calendar month at Exploits Dam. The most was 81.5 mm (3.2 in) on 2 October 1957.

Record daily precipitation for each month at Exploits Dam
Month	Record daily precipitation (mm)	Date
Jan	56.0 mm (2.2 in)	13 January 1983
Feb	48.3 mm (1.9 in)	22 February 1973
Mar	41.1 mm (1.6 in)	8 March 1979
Apr	45.5 mm (1.8 in)	1 April 1962
May	46.2 mm (1.8 in)	1 May 1969
Jun	50.2 mm (2.0 in)	21 June 1981
Jul	61.5 mm (2.4 in)	15 July 1957
Aug	70.2 mm (2.8 in)	7 August 1983
Sep	46.5 mm (1.8 in)	28 September 1958
Oct	81.5 mm (3.2 in)	2 October 1957
Nov	62.7 mm (2.5 in)	25 November 1968
Dec	55.9 mm (2.2 in)	21 December 1964

Period of Record Coverage

1956 to 1983

28 years of record at Exploits Dam, 1956 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1956.

Days with data per year at Exploits Dam
Year	Days with data	Share of year	Complete
1956	208	57%	No
1957	361	99%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	356	98%	Yes
1962	362	99%	Yes
1963	336	92%	Yes
1964	366	100%	Yes
1965	363	99%	Yes
1966	364	100%	Yes
1967	364	100%	Yes
1968	334	91%	Yes
1969	334	92%	Yes
1970	364	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	364	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	365	100%	Yes
1977	364	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	365	100%	Yes
1981	364	100%	Yes
1982	364	100%	Yes
1983	361	99%	Yes

Latest Records

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

Climate Trend

24 complete years, 1957 to 1983

One stripe for each of 24 complete years at Exploits Dam, 1957 to 1983. Blue stripes are years cooler than the station's own mean of 3.2 C (37.8 F); red stripes are warmer. The coolest year was 1972, at 1.5 C (34.7 F), and the warmest was 1981, at 4.8 C (40.7 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Exploits Dam as warming stripes, 1957 to 1983
Year	Annual mean temperature	Difference from the station mean
1957	2.5 C	-0.67 C
1958	4.2 C	+0.96 C
1959	2.6 C	-0.60 C
1960	4.1 C	+0.91 C
1961	3.1 C	-0.13 C
1962	2.8 C	-0.37 C
1964	2.5 C	-0.74 C
1965	2.5 C	-0.67 C
1966	4.2 C	+0.94 C
1967	3.3 C	+0.13 C
1970	3.8 C	+0.59 C
1971	3.8 C	+0.59 C
1972	1.5 C	-1.71 C
1973	3.4 C	+0.14 C
1974	2.0 C	-1.20 C
1975	2.4 C	-0.80 C
1976	3.0 C	-0.20 C
1977	3.5 C	+0.24 C
1978	3.0 C	-0.24 C
1979	4.8 C	+1.60 C
1980	2.8 C	-0.45 C
1981	4.8 C	+1.61 C
1982	2.4 C	-0.83 C
1983	4.2 C	+0.94 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

1956 to 1983

Yearly extremes at Exploits Dam: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.2 C (90.0 F)	1976	28.9 C (84.0 F)	28
Coldest night (TNn)	-37.2 C (-35.0 F)	1975	-27.2 C (-17.0 F)	28
Wettest day (Rx1day)	81.5 mm (3.2 in)	1957	46.2 mm (1.8 in)	28
Wettest five days (Rx5day)	162.4 mm (6.4 in)	1983	71.8 mm (2.8 in)	28
Longest dry spell (CDD)	31 days	1976	12 days	28

Hottest day (TXx)

The hottest day of the year at Exploits Dam, 1956 to 1983. The record is 32.2 C (90.0 F) in 1976, marked on the chart; the median year is 28.9 C (84.0 F).

Hottest day (TXx) at Exploits Dam by year
Year	Hottest day (TXx)
1956	25.6 C (78.1 F)
1957	27.2 C (81.0 F)
1958	26.7 C (80.1 F)
1959	29.4 C (84.9 F)
1960	28.9 C (84.0 F)
1961	30.0 C (86.0 F)
1962	29.4 C (84.9 F)
1963	27.2 C (81.0 F)
1964	27.2 C (81.0 F)
1965	29.4 C (84.9 F)
1966	26.7 C (80.1 F)
1967	29.4 C (84.9 F)
1968	28.9 C (84.0 F)
1969	28.9 C (84.0 F)
1970	29.4 C (84.9 F)
1971	28.9 C (84.0 F)
1972	30.0 C (86.0 F)
1973	27.8 C (82.0 F)
1974	28.9 C (84.0 F)
1975	31.1 C (88.0 F)
1976	32.2 C (90.0 F)
1977	27.8 C (82.0 F)
1978	29.4 C (84.9 F)
1979	30.0 C (86.0 F)
1980	28.0 C (82.4 F)
1981	27.5 C (81.5 F)
1982	30.0 C (86.0 F)
1983	32.0 C (89.6 F)

Coldest night (TNn)

The coldest night of the year at Exploits Dam, 1956 to 1983. The record is -37.2 C (-35.0 F) in 1975, marked on the chart; the median year is -27.2 C (-17.0 F).

Coldest night (TNn) at Exploits Dam by year
Year	Coldest night (TNn)
1956	-20.6 C (-5.1 F)
1957	-31.7 C (-25.1 F)
1958	-20.0 C (-4.0 F)
1959	-26.1 C (-15.0 F)
1960	-18.9 C (-2.0 F)
1961	-31.7 C (-25.1 F)
1962	-26.7 C (-16.1 F)
1963	-27.2 C (-17.0 F)
1964	-27.2 C (-17.0 F)
1965	-33.3 C (-27.9 F)
1966	-26.1 C (-15.0 F)
1967	-30.0 C (-22.0 F)
1968	-28.3 C (-18.9 F)
1969	-21.1 C (-6.0 F)
1970	-24.4 C (-11.9 F)
1971	-33.9 C (-29.0 F)
1972	-28.9 C (-20.0 F)
1973	-32.2 C (-26.0 F)
1974	-25.0 C (-13.0 F)
1975	-37.2 C (-35.0 F)
1976	-28.3 C (-18.9 F)
1977	-28.3 C (-18.9 F)
1978	-27.2 C (-17.0 F)
1979	-23.3 C (-9.9 F)
1980	-27.0 C (-16.6 F)
1981	-22.0 C (-7.6 F)
1982	-28.5 C (-19.3 F)
1983	-25.5 C (-13.9 F)

Wettest day (Rx1day)

The wettest day of the year at Exploits Dam, 1956 to 1983. The record is 81.5 mm (3.2 in) in 1957, marked on the chart; the median year is 46.2 mm (1.8 in).

Wettest day (Rx1day) at Exploits Dam by year
Year	Wettest day (Rx1day)
1956	55.4 mm (2.2 in)
1957	81.5 mm (3.2 in)
1958	55.1 mm (2.2 in)
1959	32.3 mm (1.3 in)
1960	36.1 mm (1.4 in)
1961	46.2 mm (1.8 in)
1962	45.5 mm (1.8 in)
1963	54.1 mm (2.1 in)
1964	55.9 mm (2.2 in)
1965	47.2 mm (1.9 in)
1966	35.8 mm (1.4 in)
1967	41.4 mm (1.6 in)
1968	62.7 mm (2.5 in)
1969	46.2 mm (1.8 in)
1970	52.1 mm (2.1 in)
1971	36.6 mm (1.4 in)
1972	41.1 mm (1.6 in)
1973	69.3 mm (2.7 in)
1974	43.7 mm (1.7 in)
1975	45.5 mm (1.8 in)
1976	46.2 mm (1.8 in)
1977	47.0 mm (1.9 in)
1978	23.1 mm (0.9 in)
1979	50.0 mm (2.0 in)
1980	44.0 mm (1.7 in)
1981	50.2 mm (2.0 in)
1982	43.0 mm (1.7 in)
1983	70.2 mm (2.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Exploits Dam, 1956 to 1983. The record is 162.4 mm (6.4 in) in 1983, marked on the chart; the median year is 71.8 mm (2.8 in).

Wettest five days (Rx5day) at Exploits Dam by year
Year	Wettest five days (Rx5day)
1956	75.0 mm (3.0 in)
1957	95.3 mm (3.8 in)
1958	73.9 mm (2.9 in)
1959	58.9 mm (2.3 in)
1960	58.5 mm (2.3 in)
1961	60.2 mm (2.4 in)
1962	59.4 mm (2.3 in)
1963	64.7 mm (2.5 in)
1964	92.5 mm (3.6 in)
1965	71.3 mm (2.8 in)
1966	80.3 mm (3.2 in)
1967	76.2 mm (3.0 in)
1968	88.3 mm (3.5 in)
1969	95.5 mm (3.8 in)
1970	78.7 mm (3.1 in)
1971	69.4 mm (2.7 in)
1972	58.4 mm (2.3 in)
1973	74.9 mm (2.9 in)
1974	71.1 mm (2.8 in)
1975	62.5 mm (2.5 in)
1976	63.7 mm (2.5 in)
1977	72.1 mm (2.8 in)
1978	52.3 mm (2.1 in)
1979	80.4 mm (3.2 in)
1980	88.6 mm (3.5 in)
1981	71.4 mm (2.8 in)
1982	69.0 mm (2.7 in)
1983	162.4 mm (6.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Exploits Dam, 1956 to 1983. The record is 31 days in 1976, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Exploits Dam by year
Year	Longest dry spell (CDD)
1956	15 days
1957	12 days
1958	11 days
1959	13 days
1960	13 days
1961	24 days
1962	20 days
1963	10 days
1964	12 days
1965	9 days
1966	9 days
1967	9 days
1968	14 days
1969	10 days
1970	11 days
1971	12 days
1972	12 days
1973	12 days
1974	11 days
1975	10 days
1976	31 days
1977	22 days
1978	13 days
1979	19 days
1980	16 days
1981	11 days
1982	11 days
1983	9 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.

Frost Dates and Growing Season

24 years with a frost

Across 24 years with a frost, the median last spring frost at Exploits Dam falls on 17 June and the median first autumn frost on 6 September, which leaves a median of 78 days between them.

Frost dates and growing season at Exploits Dam
Measure	Median, all years	Earliest period	Recent period (1957 to 1983)	Recent against earliest	Fitted trend
Last spring frost	17 June	n/a	17 June	n/a	n/a
First autumn frost	6 September	n/a	6 September	n/a	n/a
Growing days	78 days	n/a	78 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

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