Dryden A Weather Records (CA006032119)

Record envelope, standing records and threshold days for Dryden A (CA006032119), Ontario, Canada, with 36 years of record.

Key Facts for Dryden A

Dryden A (CA006032119) is a weather station in Ontario, Canada at 49.83 latitude and -92.75 longitude, 413 m (1,355 ft) above sea level.
The station reports from 1970 to 2005, 36 years of record.
1,464 records set at Dryden A still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ontario, Canada, 49.83 latitude, -92.75 longitude.
Elevation: 413 m (1,355 ft).
Period of record: 1970 to 2005, 36 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 Dryden A. 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 Dryden A, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	5.2 C (41.4 F)	-43.3 C (-45.9 F)	n/a	n/a
Feb	8.9 C (48.0 F)	-37.9 C (-36.2 F)	n/a	n/a
Mar	14.0 C (57.2 F)	-31.8 C (-25.2 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-23.0 C (-9.4 F)	n/a	n/a
May	32.9 C (91.2 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-1.5 C (29.3 F)	n/a	n/a
Jul	35.6 C (96.1 F)	2.0 C (35.6 F)	n/a	n/a
Aug	33.0 C (91.4 F)	-0.4 C (31.3 F)	n/a	n/a
Sep	34.4 C (93.9 F)	-4.4 C (24.1 F)	n/a	n/a
Oct	23.4 C (74.1 F)	-12.0 C (10.4 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-30.6 C (-23.1 F)	n/a	n/a
Dec	8.0 C (46.4 F)	-38.3 C (-36.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Dryden A still stand. 1972 holds the most, with 133.

Wettest Day of Each Month

Jul: 80.5 mm (3.2 in)

The wettest day on record for each calendar month at Dryden A. The most was 80.5 mm (3.2 in) on 7 July 1974.

Record daily precipitation for each month at Dryden A
Month	Record daily precipitation (mm)	Date
Jan	35.6 mm (1.4 in)	10 January 1975
Feb	19.0 mm (0.7 in)	23 February 1977
Mar	25.4 mm (1.0 in)	27 March 1975
Apr	30.7 mm (1.2 in)	27 April 1970
May	43.7 mm (1.7 in)	19 May 1972
Jun	58.9 mm (2.3 in)	5 June 1974
Jul	80.5 mm (3.2 in)	7 July 1974
Aug	41.4 mm (1.6 in)	9 August 1976
Sep	50.0 mm (2.0 in)	6 September 1981
Oct	46.0 mm (1.8 in)	3 October 1971
Nov	23.5 mm (0.9 in)	20 November 1983
Dec	13.0 mm (0.5 in)	4 December 1979

Period of Record Coverage

1970 to 1983

14 years of record at Dryden A, 1970 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1979.

Days with data per year at Dryden A
Year	Days with data	Share of year	Complete
1970	363	99%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	364	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	274	75%	No
1980	356	97%	Yes
1981	358	98%	Yes
1982	365	100%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

13 complete years, 1970 to 1983

One stripe for each of 13 complete years at Dryden A, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 1.8 C (35.2 F); red stripes are warmer. The coolest year was 1972, at 0.5 C (32.8 F), and the warmest was 1981, at 3.2 C (37.8 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Dryden A as warming stripes, 1970 to 1983
Year	Annual mean temperature	Difference from the station mean
1970	1.4 C	-0.43 C
1971	1.8 C	-0.02 C
1972	0.5 C	-1.33 C
1973	2.8 C	+1.01 C
1974	1.4 C	-0.38 C
1975	2.3 C	+0.49 C
1976	1.7 C	-0.13 C
1977	2.4 C	+0.59 C
1978	0.9 C	-0.85 C
1980	1.4 C	-0.34 C
1981	3.2 C	+1.43 C
1982	0.8 C	-0.97 C
1983	2.7 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

1970 to 1983

Yearly extremes at Dryden A: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1975	32.8 C (91.1 F)	14
Coldest night (TNn)	-43.3 C (-45.9 F)	1970	-37.6 C (-35.7 F)	14
Wettest day (Rx1day)	80.5 mm (3.2 in)	1974	45.5 mm (1.8 in)	14
Wettest five days (Rx5day)	103.6 mm (4.1 in)	1974	68.7 mm (2.7 in)	14
Longest dry spell (CDD)	27 days	1980	19 days	14

Hottest day (TXx)

The hottest day of the year at Dryden A, 1970 to 1983. The record is 35.6 C (96.1 F) in 1975, marked on the chart; the median year is 32.8 C (91.1 F).

Hottest day (TXx) at Dryden A by year
Year	Hottest day (TXx)
1970	33.3 C (91.9 F)
1971	30.6 C (87.1 F)
1972	32.8 C (91.0 F)
1973	32.8 C (91.0 F)
1974	32.2 C (90.0 F)
1975	35.6 C (96.1 F)
1976	34.4 C (93.9 F)
1977	32.5 C (90.5 F)
1978	32.0 C (89.6 F)
1979	33.0 C (91.4 F)
1980	32.9 C (91.2 F)
1981	34.3 C (93.7 F)
1982	30.7 C (87.3 F)
1983	35.2 C (95.4 F)

Coldest night (TNn)

The coldest night of the year at Dryden A, 1970 to 1983. The record is -43.3 C (-45.9 F) in 1970, marked on the chart; the median year is -37.6 C (-35.7 F).

Coldest night (TNn) at Dryden A by year
Year	Coldest night (TNn)
1970	-43.3 C (-45.9 F)
1971	-35.6 C (-32.1 F)
1972	-41.1 C (-42.0 F)
1973	-37.2 C (-35.0 F)
1974	-42.8 C (-45.0 F)
1975	-35.6 C (-32.1 F)
1976	-38.3 C (-36.9 F)
1977	-38.0 C (-36.4 F)
1978	-34.5 C (-30.1 F)
1979	-35.5 C (-31.9 F)
1980	-34.5 C (-30.1 F)
1981	-39.0 C (-38.2 F)
1982	-39.5 C (-39.1 F)
1983	-36.4 C (-33.5 F)

Wettest day (Rx1day)

The wettest day of the year at Dryden A, 1970 to 1983. The record is 80.5 mm (3.2 in) in 1974, marked on the chart; the median year is 45.5 mm (1.8 in).

Wettest day (Rx1day) at Dryden A by year
Year	Wettest day (Rx1day)
1970	50.8 mm (2.0 in)
1971	46.0 mm (1.8 in)
1972	58.2 mm (2.3 in)
1973	47.2 mm (1.9 in)
1974	80.5 mm (3.2 in)
1975	35.6 mm (1.4 in)
1976	41.4 mm (1.6 in)
1977	32.5 mm (1.3 in)
1978	22.0 mm (0.9 in)
1979	45.0 mm (1.8 in)
1980	38.2 mm (1.5 in)
1981	50.0 mm (2.0 in)
1982	79.8 mm (3.1 in)
1983	23.5 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Dryden A, 1970 to 1983. The record is 103.6 mm (4.1 in) in 1974, marked on the chart; the median year is 68.7 mm (2.7 in).

Wettest five days (Rx5day) at Dryden A by year
Year	Wettest five days (Rx5day)
1970	66.6 mm (2.6 in)
1971	100.8 mm (4.0 in)
1972	72.4 mm (2.9 in)
1973	68.8 mm (2.7 in)
1974	103.6 mm (4.1 in)
1975	51.5 mm (2.0 in)
1976	49.0 mm (1.9 in)
1977	66.5 mm (2.6 in)
1978	44.4 mm (1.7 in)
1979	68.5 mm (2.7 in)
1980	72.9 mm (2.9 in)
1981	77.8 mm (3.1 in)
1982	102.4 mm (4.0 in)
1983	62.1 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Dryden A, 1970 to 1983. The record is 27 days in 1980, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Dryden A by year
Year	Longest dry spell (CDD)
1970	16 days
1971	20 days
1972	20 days
1973	24 days
1974	18 days
1975	24 days
1976	15 days
1977	14 days
1978	24 days
1979	18 days
1980	27 days
1981	15 days
1982	15 days
1983	25 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 Dryden A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Dryden A 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).