Ronan Weather Records (CA003065541)

Record envelope, standing records and threshold days for Ronan (CA003065541), Alberta, Canada, with 37 years of record.

Key Facts for Ronan

Ronan (CA003065541) is a weather station in Alberta, Canada at 53.88 latitude and -115.25 longitude, 732 m (2,402 ft) above sea level.
The station reports from 1969 to 2005, 37 years of record.
1,464 records set at Ronan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alberta, Canada, 53.88 latitude, -115.25 longitude.
Elevation: 732 m (2,402 ft).
Period of record: 1969 to 2005, 37 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 Ronan. 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 Ronan, 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)	-47.8 C (-54.0 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-42.0 C (-43.6 F)	n/a	n/a
Mar	15.0 C (59.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-29.5 C (-21.1 F)	n/a	n/a
May	28.5 C (83.3 F)	-8.0 C (17.6 F)	n/a	n/a
Jun	32.0 C (89.6 F)	-3.9 C (25.0 F)	n/a	n/a
Jul	31.5 C (88.7 F)	1.0 C (33.8 F)	n/a	n/a
Aug	32.0 C (89.6 F)	-2.2 C (28.0 F)	n/a	n/a
Sep	33.5 C (92.3 F)	-12.0 C (10.4 F)	n/a	n/a
Oct	28.0 C (82.4 F)	-17.8 C (0.0 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Dec	11.0 C (51.8 F)	-45.0 C (-49.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ronan still stand. 1981 holds the most, with 159.

Wettest Day of Each Month

Jul: 107.6 mm (4.2 in)

The wettest day on record for each calendar month at Ronan. The most was 107.6 mm (4.2 in) on 10 July 1978.

Record daily precipitation for each month at Ronan
Month	Record daily precipitation (mm)	Date
Jan	14.6 mm (0.6 in)	8 January 1982
Feb	17.0 mm (0.7 in)	19 February 1980
Mar	16.8 mm (0.7 in)	12 March 1974
Apr	26.5 mm (1.0 in)	17 April 1979
May	36.3 mm (1.4 in)	28 May 1977
Jun	51.1 mm (2.0 in)	24 June 1973
Jul	107.6 mm (4.2 in)	10 July 1978
Aug	42.9 mm (1.7 in)	7 August 1976
Sep	29.4 mm (1.2 in)	8 September 1978
Oct	28.8 mm (1.1 in)	26 October 1983
Nov	27.9 mm (1.1 in)	15 November 1969
Dec	25.0 mm (1.0 in)	9 December 1979

Period of Record Coverage

1972 to 1983

12 years of record at Ronan, 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 Ronan
Year	Days with data	Share of year	Complete
1972	201	55%	No
1973	365	100%	Yes
1974	365	100%	Yes
1975	337	92%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	351	96%	Yes

Latest Records

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

Climate Trend

10 complete years, 1973 to 1983

One stripe for each of 10 complete years at Ronan, 1973 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 1982, at -0.2 C (31.6 F), and the warmest was 1981, at 4.0 C (39.1 F). The strongest colour marks a difference of 2.2 C (4.0 F).

Annual mean temperature at Ronan as warming stripes, 1973 to 1983
Year	Annual mean temperature	Difference from the station mean
1973	1.0 C	-0.76 C
1974	1.2 C	-0.57 C
1976	3.1 C	+1.32 C
1977	2.4 C	+0.60 C
1978	1.8 C	-0.05 C
1979	1.1 C	-0.67 C
1980	1.9 C	+0.05 C
1981	4.0 C	+2.17 C
1982	-0.2 C	-2.01 C
1983	1.7 C	-0.13 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

1969 to 1983

Yearly extremes at Ronan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.5 C (92.3 F)	1981	30.6 C (87.1 F)	12
Coldest night (TNn)	-47.8 C (-54.0 F)	1976	-41.5 C (-42.8 F)	12
Wettest day (Rx1day)	107.6 mm (4.2 in)	1978	38.4 mm (1.5 in)	15
Wettest five days (Rx5day)	121.7 mm (4.8 in)	1978	66.1 mm (2.6 in)	15
Longest dry spell (CDD)	37 days	1973	30 days	15

Hottest day (TXx)

The hottest day of the year at Ronan, 1969 to 1983. The record is 33.5 C (92.3 F) in 1981, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Ronan by year
Year	Hottest day (TXx)
1969	n/a
1970	n/a
1971	n/a
1972	28.9 C (84.0 F)
1973	31.1 C (88.0 F)
1974	28.9 C (84.0 F)
1975	30.6 C (87.1 F)
1976	30.0 C (86.0 F)
1977	30.6 C (87.1 F)
1978	32.0 C (89.6 F)
1979	31.5 C (88.7 F)
1980	28.0 C (82.4 F)
1981	33.5 C (92.3 F)
1982	31.0 C (87.8 F)
1983	30.5 C (86.9 F)

Coldest night (TNn)

The coldest night of the year at Ronan, 1969 to 1983. The record is -47.8 C (-54.0 F) in 1976, marked on the chart; the median year is -41.5 C (-42.8 F).

Coldest night (TNn) at Ronan by year
Year	Coldest night (TNn)
1969	n/a
1970	n/a
1971	n/a
1972	-41.1 C (-42.0 F)
1973	-38.9 C (-38.0 F)
1974	-45.0 C (-49.0 F)
1975	-38.3 C (-36.9 F)
1976	-47.8 C (-54.0 F)
1977	-45.0 C (-49.0 F)
1978	-41.0 C (-41.8 F)
1979	-42.0 C (-43.6 F)
1980	-44.5 C (-48.1 F)
1981	-37.0 C (-34.6 F)
1982	-46.0 C (-50.8 F)
1983	-40.0 C (-40.0 F)

Wettest day (Rx1day)

The wettest day of the year at Ronan, 1969 to 1983. The record is 107.6 mm (4.2 in) in 1978, marked on the chart; the median year is 38.4 mm (1.5 in).

Wettest day (Rx1day) at Ronan by year
Year	Wettest day (Rx1day)
1969	27.9 mm (1.1 in)
1970	28.2 mm (1.1 in)
1971	38.4 mm (1.5 in)
1972	34.5 mm (1.4 in)
1973	51.1 mm (2.0 in)
1974	72.9 mm (2.9 in)
1975	38.9 mm (1.5 in)
1976	42.9 mm (1.7 in)
1977	36.3 mm (1.4 in)
1978	107.6 mm (4.2 in)
1979	44.8 mm (1.8 in)
1980	34.5 mm (1.4 in)
1981	24.6 mm (1.0 in)
1982	58.8 mm (2.3 in)
1983	30.4 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ronan, 1969 to 1983. The record is 121.7 mm (4.8 in) in 1978, marked on the chart; the median year is 66.1 mm (2.6 in).

Wettest five days (Rx5day) at Ronan by year
Year	Wettest five days (Rx5day)
1969	36.3 mm (1.4 in)
1970	62.4 mm (2.5 in)
1971	69.1 mm (2.7 in)
1972	65.5 mm (2.6 in)
1973	66.1 mm (2.6 in)
1974	94.8 mm (3.7 in)
1975	94.5 mm (3.7 in)
1976	52.3 mm (2.1 in)
1977	75.4 mm (3.0 in)
1978	121.7 mm (4.8 in)
1979	67.0 mm (2.6 in)
1980	61.7 mm (2.4 in)
1981	54.0 mm (2.1 in)
1982	91.9 mm (3.6 in)
1983	50.1 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ronan, 1969 to 1983. The record is 37 days in 1973, marked on the chart; the median year is 30 days.

Longest dry spell (CDD) at Ronan by year
Year	Longest dry spell (CDD)
1969	32 days
1970	15 days
1971	36 days
1972	23 days
1973	37 days
1974	21 days
1975	17 days
1976	34 days
1977	35 days
1978	28 days
1979	35 days
1980	36 days
1981	29 days
1982	30 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 Ronan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ronan 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 2026-10-14. Last revised 14 October 2026 (2026-10-14).