Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Grouard. 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 Grouard, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
15.6 C (60.1 F)
-50.0 C (-58.0 F)
n/a
n/a
Feb
17.8 C (64.0 F)
-51.2 C (-60.2 F)
n/a
n/a
Mar
17.8 C (64.0 F)
-42.8 C (-45.0 F)
n/a
n/a
Apr
26.7 C (80.1 F)
-31.7 C (-25.1 F)
n/a
n/a
May
33.9 C (93.0 F)
-8.3 C (17.1 F)
n/a
n/a
Jun
32.2 C (90.0 F)
-5.6 C (21.9 F)
n/a
n/a
Jul
36.7 C (98.1 F)
-3.3 C (26.1 F)
n/a
n/a
Aug
33.9 C (93.0 F)
-6.7 C (19.9 F)
n/a
n/a
Sep
32.8 C (91.0 F)
-9.4 C (15.1 F)
n/a
n/a
Oct
25.6 C (78.1 F)
-23.3 C (-9.9 F)
n/a
n/a
Nov
22.2 C (72.0 F)
-38.3 C (-36.9 F)
n/a
n/a
Dec
11.1 C (52.0 F)
-50.0 C (-58.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Grouard still stand. 1915 holds the most, with 76.
Standing records at Grouard by the year they were set
Year set
Standing records
1909
17
1912
26
1913
39
1914
24
1915
76
1916
45
1917
25
1918
42
1919
66
1920
40
1921
42
1922
35
1923
42
1924
43
1925
49
1926
65
1927
38
1928
47
1929
46
1930
41
1931
29
1932
40
1933
45
1934
49
1935
71
1936
75
1937
39
1938
41
1939
46
1940
29
1941
57
1942
47
1943
20
1944
25
1945
3
Wettest Day of Each Month
Jun: 63.5 mm (2.5 in)
The wettest day on record for each calendar month at Grouard. The most was 63.5 mm (2.5 in) on 22 June 1914.
Record daily precipitation for each month at Grouard
Month
Record daily precipitation (mm)
Date
Jan
30.5 mm (1.2 in)
13 January 1928
Feb
17.8 mm (0.7 in)
23 February 1925
Mar
22.9 mm (0.9 in)
4 March 1929
Apr
27.9 mm (1.1 in)
3 April 1915
May
42.4 mm (1.7 in)
29 May 1925
Jun
63.5 mm (2.5 in)
22 June 1914
Jul
52.8 mm (2.1 in)
10 July 1915
Aug
56.9 mm (2.2 in)
15 August 1937
Sep
36.8 mm (1.4 in)
13 September 1936
Oct
29.2 mm (1.1 in)
22 October 1934
Nov
17.8 mm (0.7 in)
30 November 1917
Dec
20.3 mm (0.8 in)
24 December 1914
Period of Record Coverage
1909 to 1945
Complete yearUnder 90 percent of days
36 years of record at Grouard, 1909 to 1945. 11 years have data for under 90 percent of days and are left out of rankings: 1909, 1910, 1912, 1913, 1916, 1917, 1918, 1942 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 23 complete years at Grouard, 1915 to 1940. Blue stripes are years cooler than the station's own mean of 1.2 C (34.1 F); red stripes are warmer. The coolest year was 1933, at -1.0 C (30.3 F), and the warmest was 1926, at 3.0 C (37.5 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Grouard as warming stripes, 1915 to 1940
Year
Annual mean temperature
Difference from the station mean
1915
1.6 C
+0.39 C
1919
0.6 C
-0.56 C
1920
0.9 C
-0.29 C
1921
1.5 C
+0.33 C
1922
1.4 C
+0.27 C
1923
2.2 C
+0.99 C
1924
1.2 C
+0.08 C
1925
1.4 C
+0.22 C
1926
3.0 C
+1.87 C
1927
0.1 C
-1.04 C
1928
2.4 C
+1.25 C
1929
0.6 C
-0.58 C
1930
2.4 C
+1.26 C
1931
2.9 C
+1.70 C
1932
0.2 C
-0.96 C
1933
-1.0 C
-2.13 C
1934
1.8 C
+0.68 C
1935
-0.6 C
-1.74 C
1936
-0.1 C
-1.24 C
1937
0.7 C
-0.46 C
1938
1.8 C
+0.63 C
1939
0.5 C
-0.64 C
1940
1.1 C
-0.10 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
1909 to 1945
Yearly extremes at Grouard: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.7 C (98.1 F)
1941
31.1 C (88.0 F)
36
Coldest night (TNn)
-51.2 C (-60.2 F)
1939
-45.6 C (-50.1 F)
37
Wettest day (Rx1day)
63.5 mm (2.5 in)
1914
31.2 mm (1.2 in)
37
Wettest five days (Rx5day)
109.3 mm (4.3 in)
1916
48.0 mm (1.9 in)
37
Longest dry spell (CDD)
49 days
1943
29 days
37
Hottest day (TXx)
The hottest day of the year at Grouard, 1909 to 1945. The record is 36.7 C (98.1 F) in 1941, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Grouard by year
Year
Hottest day (TXx)
1909
10.0 C (50.0 F)
1910
-6.7 C (19.9 F)
1911
n/a
1912
25.6 C (78.1 F)
1913
27.2 C (81.0 F)
1914
29.4 C (84.9 F)
1915
33.9 C (93.0 F)
1916
32.8 C (91.0 F)
1917
22.8 C (73.0 F)
1918
33.3 C (91.9 F)
1919
31.1 C (88.0 F)
1920
33.9 C (93.0 F)
1921
29.4 C (84.9 F)
1922
30.0 C (86.0 F)
1923
28.9 C (84.0 F)
1924
33.3 C (91.9 F)
1925
32.8 C (91.0 F)
1926
33.9 C (93.0 F)
1927
33.3 C (91.9 F)
1928
31.1 C (88.0 F)
1929
30.6 C (87.1 F)
1930
31.1 C (88.0 F)
1931
30.6 C (87.1 F)
1932
30.6 C (87.1 F)
1933
31.7 C (89.1 F)
1934
28.9 C (84.0 F)
1935
31.1 C (88.0 F)
1936
33.9 C (93.0 F)
1937
32.8 C (91.0 F)
1938
32.8 C (91.0 F)
1939
33.3 C (91.9 F)
1940
30.6 C (87.1 F)
1941
36.7 C (98.1 F)
1942
31.7 C (89.1 F)
1943
28.9 C (84.0 F)
1944
31.1 C (88.0 F)
1945
2.2 C (36.0 F)
Coldest night (TNn)
The coldest night of the year at Grouard, 1909 to 1945. The record is -51.2 C (-60.2 F) in 1939, marked on the chart; the median year is -45.6 C (-50.1 F).
Coldest night (TNn) at Grouard by year
Year
Coldest night (TNn)
1909
-37.8 C (-36.0 F)
1910
-31.1 C (-24.0 F)
1911
-46.7 C (-52.1 F)
1912
-48.3 C (-54.9 F)
1913
-47.8 C (-54.0 F)
1914
-43.3 C (-45.9 F)
1915
-35.0 C (-31.0 F)
1916
-49.4 C (-56.9 F)
1917
-50.0 C (-58.0 F)
1918
-30.0 C (-22.0 F)
1919
-45.0 C (-49.0 F)
1920
-48.3 C (-54.9 F)
1921
-40.0 C (-40.0 F)
1922
-43.9 C (-47.0 F)
1923
-45.0 C (-49.0 F)
1924
-47.8 C (-54.0 F)
1925
-47.8 C (-54.0 F)
1926
-40.0 C (-40.0 F)
1927
-48.3 C (-54.9 F)
1928
-48.3 C (-54.9 F)
1929
-45.6 C (-50.1 F)
1930
-43.9 C (-47.0 F)
1931
-34.4 C (-29.9 F)
1932
-47.2 C (-53.0 F)
1933
-48.3 C (-54.9 F)
1934
-48.3 C (-54.9 F)
1935
-50.0 C (-58.0 F)
1936
-48.9 C (-56.0 F)
1937
-44.4 C (-47.9 F)
1938
-49.4 C (-56.9 F)
1939
-51.2 C (-60.2 F)
1940
-37.2 C (-35.0 F)
1941
-48.9 C (-56.0 F)
1942
-41.1 C (-42.0 F)
1943
-32.8 C (-27.0 F)
1944
-38.3 C (-36.9 F)
1945
-38.9 C (-38.0 F)
Wettest day (Rx1day)
The wettest day of the year at Grouard, 1909 to 1945. The record is 63.5 mm (2.5 in) in 1914, marked on the chart; the median year is 31.2 mm (1.2 in).
Wettest day (Rx1day) at Grouard by year
Year
Wettest day (Rx1day)
1909
14.0 mm (0.6 in)
1910
0.0 mm (0.00 in)
1911
10.2 mm (0.4 in)
1912
25.4 mm (1.0 in)
1913
24.4 mm (1.0 in)
1914
63.5 mm (2.5 in)
1915
52.8 mm (2.1 in)
1916
50.8 mm (2.0 in)
1917
17.8 mm (0.7 in)
1918
30.2 mm (1.2 in)
1919
31.2 mm (1.2 in)
1920
53.8 mm (2.1 in)
1921
32.3 mm (1.3 in)
1922
20.3 mm (0.8 in)
1923
22.4 mm (0.9 in)
1924
31.2 mm (1.2 in)
1925
42.4 mm (1.7 in)
1926
39.4 mm (1.6 in)
1927
43.2 mm (1.7 in)
1928
30.5 mm (1.2 in)
1929
47.8 mm (1.9 in)
1930
48.3 mm (1.9 in)
1931
50.3 mm (2.0 in)
1932
25.9 mm (1.0 in)
1933
20.6 mm (0.8 in)
1934
36.1 mm (1.4 in)
1935
52.1 mm (2.1 in)
1936
36.8 mm (1.4 in)
1937
56.9 mm (2.2 in)
1938
16.5 mm (0.6 in)
1939
31.8 mm (1.3 in)
1940
31.2 mm (1.2 in)
1941
44.5 mm (1.8 in)
1942
29.2 mm (1.1 in)
1943
25.4 mm (1.0 in)
1944
19.1 mm (0.8 in)
1945
7.6 mm (0.30 in)
Wettest five days (Rx5day)
The wettest five days of the year at Grouard, 1909 to 1945. The record is 109.3 mm (4.3 in) in 1916, marked on the chart; the median year is 48.0 mm (1.9 in).
Wettest five days (Rx5day) at Grouard by year
Year
Wettest five days (Rx5day)
1909
16.5 mm (0.6 in)
1910
0.0 mm (0.00 in)
1911
16.6 mm (0.7 in)
1912
45.7 mm (1.8 in)
1913
50.0 mm (2.0 in)
1914
76.2 mm (3.0 in)
1915
56.3 mm (2.2 in)
1916
109.3 mm (4.3 in)
1917
17.8 mm (0.7 in)
1918
40.6 mm (1.6 in)
1919
57.2 mm (2.3 in)
1920
76.4 mm (3.0 in)
1921
46.3 mm (1.8 in)
1922
23.6 mm (0.9 in)
1923
48.0 mm (1.9 in)
1924
63.4 mm (2.5 in)
1925
44.7 mm (1.8 in)
1926
61.7 mm (2.4 in)
1927
80.0 mm (3.1 in)
1928
31.8 mm (1.3 in)
1929
51.9 mm (2.0 in)
1930
58.5 mm (2.3 in)
1931
53.0 mm (2.1 in)
1932
51.9 mm (2.0 in)
1933
40.4 mm (1.6 in)
1934
46.0 mm (1.8 in)
1935
80.0 mm (3.1 in)
1936
81.2 mm (3.2 in)
1937
80.5 mm (3.2 in)
1938
29.0 mm (1.1 in)
1939
44.5 mm (1.8 in)
1940
35.6 mm (1.4 in)
1941
67.3 mm (2.6 in)
1942
94.0 mm (3.7 in)
1943
26.7 mm (1.1 in)
1944
44.5 mm (1.8 in)
1945
20.3 mm (0.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Grouard, 1909 to 1945. The record is 49 days in 1943, marked on the chart; the median year is 29 days.
Longest dry spell (CDD) at Grouard by year
Year
Longest dry spell (CDD)
1909
22 days
1910
15 days
1911
8 days
1912
32 days
1913
30 days
1914
37 days
1915
39 days
1916
27 days
1917
19 days
1918
28 days
1919
41 days
1920
24 days
1921
32 days
1922
29 days
1923
35 days
1924
27 days
1925
22 days
1926
34 days
1927
21 days
1928
31 days
1929
41 days
1930
35 days
1931
29 days
1932
21 days
1933
23 days
1934
44 days
1935
25 days
1936
21 days
1937
22 days
1938
32 days
1939
34 days
1940
48 days
1941
24 days
1942
47 days
1943
49 days
1944
34 days
1945
20 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
23 years with a frost
Across 23 years with a frost, the median last spring frost at Grouard falls on 6 June and the median first autumn frost on 2 September, which leaves a median of 86 days between them.
Frost dates and growing season at Grouard
Measure
Median, all years
Earliest period
Recent period (1915 to 1940)
Recent against earliest
Fitted trend
Last spring frost
6 June
n/a
6 June
n/a
n/a
First autumn frost
2 September
n/a
2 September
n/a
n/a
Growing days
86 days
n/a
86 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 Grouard standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grouard 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.