Illerbrun Weather Records (CA004023430)

Record envelope, standing records and threshold days for Illerbrun (CA004023430), Saskatchewan, Canada, with 40 years of record.

Key Facts for Illerbrun

Illerbrun (CA004023430) is a weather station in Saskatchewan, Canada at 49.88 latitude and -108.37 longitude, 892 m (2,927 ft) above sea level.
The station reports from 1910 to 1949, 40 years of record.
1,464 records set at Illerbrun still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Illerbrun set a daily record precipitation of 23.1 mm (0.9 in) on 19 August 1949.

About the Station

Location: Saskatchewan, Canada, 49.88 latitude, -108.37 longitude.
Elevation: 892 m (2,927 ft).
Period of record: 1910 to 1949, 40 years.
Eligible elements: prcp, snow.

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 Illerbrun. 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 Illerbrun, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-40.0 C (-40.0 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-40.0 C (-40.0 F)	n/a	n/a
Mar	23.3 C (73.9 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-23.3 C (-9.9 F)	n/a	n/a
May	35.0 C (95.0 F)	-11.1 C (12.0 F)	n/a	n/a
Jun	36.7 C (98.1 F)	-0.6 C (30.9 F)	n/a	n/a
Jul	39.4 C (102.9 F)	2.2 C (36.0 F)	n/a	n/a
Aug	38.3 C (100.9 F)	-1.7 C (28.9 F)	n/a	n/a
Sep	35.6 C (96.1 F)	-11.1 C (12.0 F)	n/a	n/a
Oct	35.0 C (95.0 F)	-22.2 C (-8.0 F)	n/a	n/a
Nov	22.2 C (72.0 F)	-33.3 C (-27.9 F)	n/a	n/a
Dec	22.2 C (72.0 F)	-37.2 C (-35.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Illerbrun still stand. 1936 holds the most, with 164.

All-Time Record Progression

2 new records

2 all-time records were set at Illerbrun between 8 August 1945 and 22 September 1945. Each dot is a new record.

When Illerbrun set new all-time records
Date	Kind	Detail
1945-08-08	Record daily precipitation	Record daily precipitation 65.8 mm (2.6 in)
1945-09-22	Record daily snowfall	Record daily snowfall 24.9 cm (9.8 in)

Wettest Day of Each Month

Aug: 65.8 mm (2.6 in)

The wettest day on record for each calendar month at Illerbrun. The most was 65.8 mm (2.6 in) on 8 August 1945.

Record daily precipitation for each month at Illerbrun
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	22 January 1935
Feb	19.6 mm (0.8 in)	11 February 1938
Mar	13.2 mm (0.5 in)	5 March 1935
Apr	30.2 mm (1.2 in)	12 April 1917
May	54.4 mm (2.1 in)	15 May 1915
Jun	57.2 mm (2.3 in)	11 June 1914
Jul	49.5 mm (1.9 in)	2 July 1916
Aug	65.8 mm (2.6 in)	8 August 1945
Sep	34.8 mm (1.4 in)	13 September 1914
Oct	43.4 mm (1.7 in)	11 October 1924
Nov	20.3 mm (0.8 in)	3 November 1911
Dec	24.1 mm (0.9 in)	16 December 1911

Period of Record Coverage

1935 to 1949

15 years of record at Illerbrun, 1935 to 1949. 2 years have data for under 90 percent of days and are left out of rankings: 1939, 1949.

Days with data per year at Illerbrun
Year	Days with data	Share of year	Complete
1935	363	99%	Yes
1936	366	100%	Yes
1937	363	99%	Yes
1938	358	98%	Yes
1939	305	84%	No
1940	366	100%	Yes
1941	365	100%	Yes
1942	365	100%	Yes
1943	365	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	364	100%	Yes
1947	364	100%	Yes
1948	366	100%	Yes
1949	273	75%	No

Latest Records

Latest records at Illerbrun
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 August 1949	Illerbrun, CA	daily rain	23.1 mm (0.9 in)	4.8 mm (0.19 in)	23 years	14 of 100 (Routine)
10 August 1949	Illerbrun, CA	daily rain	25.4 mm (1.0 in)	9.4 mm (0.37 in)	26 years	20 of 100 (Routine)
27 July 1949	Illerbrun, CA	daily rain	35.6 mm (1.4 in)	10.7 mm (0.4 in)	8 years	19 of 100 (Routine)
23 May 1949	Illerbrun, CA	daily snowfall	3.0 cm (1.2 in)	3.0 cm (1.2 in)	38 years	20 of 100 (Routine)
21 May 1949	Illerbrun, CA	daily snowfall	0.8 cm (0.3 in)	0.8 cm (0.3 in)	38 years	16 of 100 (Routine)
16 May 1949	Illerbrun, CA	daily rain	13.5 mm (0.5 in)	5.9 mm (0.23 in)	16 years	15 of 100 (Routine)
4 March 1949	Illerbrun, CA	daily rain	5.3 mm (0.21 in)	2.8 mm (0.11 in)	34 years	20 of 100 (Routine)
4 March 1949	Illerbrun, CA	daily snowfall	5.3 cm (2.1 in)	2.8 cm (1.1 in)	34 years	23 of 100 (Routine)
17 January 1949	Illerbrun, CA	daily snowfall	7.9 cm (3.1 in)	0.3 cm (0.1 in)	25 years	12 of 100 (Routine)
6 January 1949	Illerbrun, CA	daily rain	4.8 mm (0.19 in)	2.3 mm (0.09 in)	18 years	17 of 100 (Routine)
6 January 1949	Illerbrun, CA	daily snowfall	4.8 cm (1.9 in)	2.3 cm (0.9 in)	18 years	17 of 100 (Routine)
1 January 1949	Illerbrun, CA	daily rain	5.3 mm (0.21 in)	0.2 mm (0.01 in)	33 years	13 of 100 (Routine)
1 January 1949	Illerbrun, CA	daily snowfall	5.3 cm (2.1 in)	0.2 cm (0.1 in)	33 years	13 of 100 (Routine)
21 November 1948	Illerbrun, CA	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	38 years	18 of 100 (Routine)
13 November 1948	Illerbrun, CA	daily rain	2.5 mm (0.10 in)	0.2 mm (0.01 in)	1 year	3 of 100 (Routine)
13 November 1948	Illerbrun, CA	daily snowfall	2.5 cm (1.0 in)	0.2 cm (0.1 in)	1 year	3 of 100 (Routine)
12 November 1948	Illerbrun, CA	daily rain	1.8 mm (0.07 in)	0.8 mm (0.03 in)	3 years	4 of 100 (Routine)
12 November 1948	Illerbrun, CA	daily snowfall	1.8 cm (0.7 in)	0.8 cm (0.3 in)	3 years	4 of 100 (Routine)
19 July 1948	Illerbrun, CA	daily rain	14.0 mm (0.6 in)	2.8 mm (0.11 in)	13 years	9 of 100 (Routine)
16 July 1948	Illerbrun, CA	daily rain	10.2 mm (0.4 in)	7.2 mm (0.28 in)	3 years	11 of 100 (Routine)

Climate Trend

13 complete years, 1935 to 1948

One stripe for each of 13 complete years at Illerbrun, 1935 to 1948. Blue stripes are years cooler than the station's own mean of 4.4 C (39.9 F); red stripes are warmer. The coolest year was 1936, at 3.5 C (38.4 F), and the warmest was 1941, at 5.7 C (42.3 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Illerbrun as warming stripes, 1935 to 1948
Year	Annual mean temperature	Difference from the station mean
1935	3.7 C	-0.68 C
1936	3.5 C	-0.88 C
1937	4.0 C	-0.45 C
1938	5.7 C	+1.24 C
1940	4.1 C	-0.29 C
1941	5.7 C	+1.29 C
1942	4.7 C	+0.31 C
1943	4.6 C	+0.20 C
1944	5.3 C	+0.91 C
1945	3.9 C	-0.55 C
1946	4.6 C	+0.20 C
1947	4.0 C	-0.45 C
1948	3.5 C	-0.88 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

1910 to 1949

Yearly extremes at Illerbrun: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1936	37.2 C (99.0 F)	15
Coldest night (TNn)	-40.0 C (-40.0 F)	1935	-33.3 C (-27.9 F)	15
Wettest day (Rx1day)	65.8 mm (2.6 in)	1945	32.9 mm (1.3 in)	40
Wettest five days (Rx5day)	93.0 mm (3.7 in)	1939	44.6 mm (1.8 in)	40
Longest dry spell (CDD)	79 days	1948	36 days	40

Hottest day (TXx)

The hottest day of the year at Illerbrun, 1910 to 1949. The record is 39.4 C (102.9 F) in 1936, marked on the chart; the median year is 37.2 C (99.0 F).

Hottest day (TXx) at Illerbrun by year
Year	Hottest day (TXx)
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	37.8 C (100.0 F)
1936	39.4 C (102.9 F)
1937	38.9 C (102.0 F)
1938	34.4 C (93.9 F)
1939	35.0 C (95.0 F)
1940	36.1 C (97.0 F)
1941	37.2 C (99.0 F)
1942	35.0 C (95.0 F)
1943	36.1 C (97.0 F)
1944	35.0 C (95.0 F)
1945	37.8 C (100.0 F)
1946	39.4 C (102.9 F)
1947	37.2 C (99.0 F)
1948	35.6 C (96.1 F)
1949	38.3 C (100.9 F)

Coldest night (TNn)

The coldest night of the year at Illerbrun, 1910 to 1949. The record is -40.0 C (-40.0 F) in 1935, marked on the chart; the median year is -33.3 C (-27.9 F).

Coldest night (TNn) at Illerbrun by year
Year	Coldest night (TNn)
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	-40.0 C (-40.0 F)
1936	-40.0 C (-40.0 F)
1937	-36.1 C (-33.0 F)
1938	-37.2 C (-35.0 F)
1939	-24.4 C (-11.9 F)
1940	-31.7 C (-25.1 F)
1941	-32.8 C (-27.0 F)
1942	-32.8 C (-27.0 F)
1943	-40.0 C (-40.0 F)
1944	-29.4 C (-20.9 F)
1945	-30.0 C (-22.0 F)
1946	-33.3 C (-27.9 F)
1947	-37.2 C (-35.0 F)
1948	-32.8 C (-27.0 F)
1949	-37.2 C (-35.0 F)

Wettest day (Rx1day)

The wettest day of the year at Illerbrun, 1910 to 1949. The record is 65.8 mm (2.6 in) in 1945, marked on the chart; the median year is 32.9 mm (1.3 in).

Wettest day (Rx1day) at Illerbrun by year
Year	Wettest day (Rx1day)
1910	15.2 mm (0.6 in)
1911	24.1 mm (0.9 in)
1912	40.9 mm (1.6 in)
1913	31.0 mm (1.2 in)
1914	57.2 mm (2.3 in)
1915	54.4 mm (2.1 in)
1916	57.9 mm (2.3 in)
1917	30.2 mm (1.2 in)
1918	24.4 mm (1.0 in)
1919	24.6 mm (1.0 in)
1920	45.5 mm (1.8 in)
1921	23.6 mm (0.9 in)
1922	54.4 mm (2.1 in)
1923	47.2 mm (1.9 in)
1924	43.4 mm (1.7 in)
1925	25.1 mm (1.0 in)
1926	45.7 mm (1.8 in)
1927	23.1 mm (0.9 in)
1928	55.9 mm (2.2 in)
1929	24.6 mm (1.0 in)
1930	41.1 mm (1.6 in)
1931	33.8 mm (1.3 in)
1932	21.6 mm (0.9 in)
1933	52.6 mm (2.1 in)
1934	45.0 mm (1.8 in)
1935	44.2 mm (1.7 in)
1936	31.2 mm (1.2 in)
1937	18.5 mm (0.7 in)
1938	19.6 mm (0.8 in)
1939	52.6 mm (2.1 in)
1940	31.2 mm (1.2 in)
1941	29.0 mm (1.1 in)
1942	32.0 mm (1.3 in)
1943	18.5 mm (0.7 in)
1944	30.5 mm (1.2 in)
1945	65.8 mm (2.6 in)
1946	33.8 mm (1.3 in)
1947	19.3 mm (0.8 in)
1948	34.3 mm (1.4 in)
1949	35.6 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Illerbrun, 1910 to 1949. The record is 93.0 mm (3.7 in) in 1939, marked on the chart; the median year is 44.6 mm (1.8 in).

Wettest five days (Rx5day) at Illerbrun by year
Year	Wettest five days (Rx5day)
1910	27.9 mm (1.1 in)
1911	42.9 mm (1.7 in)
1912	42.7 mm (1.7 in)
1913	51.3 mm (2.0 in)
1914	72.2 mm (2.8 in)
1915	63.8 mm (2.5 in)
1916	75.7 mm (3.0 in)
1917	30.2 mm (1.2 in)
1918	34.4 mm (1.4 in)
1919	32.0 mm (1.3 in)
1920	80.3 mm (3.2 in)
1921	29.4 mm (1.2 in)
1922	54.4 mm (2.1 in)
1923	83.3 mm (3.3 in)
1924	43.4 mm (1.7 in)
1925	31.2 mm (1.2 in)
1926	45.7 mm (1.8 in)
1927	23.1 mm (0.9 in)
1928	85.6 mm (3.4 in)
1929	29.7 mm (1.2 in)
1930	51.3 mm (2.0 in)
1931	62.3 mm (2.5 in)
1932	46.4 mm (1.8 in)
1933	67.8 mm (2.7 in)
1934	51.1 mm (2.0 in)
1935	64.0 mm (2.5 in)
1936	31.2 mm (1.2 in)
1937	24.3 mm (1.0 in)
1938	36.4 mm (1.4 in)
1939	93.0 mm (3.7 in)
1940	40.1 mm (1.6 in)
1941	38.9 mm (1.5 in)
1942	64.2 mm (2.5 in)
1943	34.5 mm (1.4 in)
1944	40.8 mm (1.6 in)
1945	71.9 mm (2.8 in)
1946	43.2 mm (1.7 in)
1947	36.5 mm (1.4 in)
1948	56.1 mm (2.2 in)
1949	46.3 mm (1.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Illerbrun, 1910 to 1949. The record is 79 days in 1948, marked on the chart; the median year is 36 days.

Longest dry spell (CDD) at Illerbrun by year
Year	Longest dry spell (CDD)
1910	18 days
1911	17 days
1912	29 days
1913	30 days
1914	43 days
1915	40 days
1916	17 days
1917	34 days
1918	46 days
1919	32 days
1920	43 days
1921	24 days
1922	34 days
1923	40 days
1924	24 days
1925	45 days
1926	37 days
1927	23 days
1928	47 days
1929	33 days
1930	47 days
1931	58 days
1932	44 days
1933	27 days
1934	42 days
1935	31 days
1936	43 days
1937	41 days
1938	33 days
1939	56 days
1940	50 days
1941	39 days
1942	29 days
1943	34 days
1944	26 days
1945	33 days
1946	34 days
1947	53 days
1948	79 days
1949	41 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 Illerbrun standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Illerbrun 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).