Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Red Lake 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 Red Lake A, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
5.6 C (42.1 F)
-45.6 C (-50.1 F)
n/a
n/a
Feb
8.9 C (48.0 F)
-44.4 C (-47.9 F)
n/a
n/a
Mar
17.2 C (63.0 F)
-37.8 C (-36.0 F)
n/a
n/a
Apr
30.6 C (87.1 F)
-28.8 C (-19.8 F)
n/a
n/a
May
32.3 C (90.1 F)
-12.2 C (10.0 F)
n/a
n/a
Jun
37.2 C (99.0 F)
-3.0 C (26.6 F)
n/a
n/a
Jul
35.8 C (96.4 F)
2.3 C (36.1 F)
n/a
n/a
Aug
36.1 C (97.0 F)
-1.4 C (29.5 F)
n/a
n/a
Sep
33.2 C (91.8 F)
-7.2 C (19.0 F)
n/a
n/a
Oct
27.2 C (81.0 F)
-15.0 C (5.0 F)
n/a
n/a
Nov
18.3 C (64.9 F)
-33.2 C (-27.8 F)
n/a
n/a
Dec
8.9 C (48.0 F)
-43.9 C (-47.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Red Lake A still stand. 1939 holds the most, with 60.
Standing records at Red Lake A by the year they were set
Year set
Standing records
1930
2
1931
13
1932
18
1933
49
1934
28
1939
60
1940
50
1941
57
1942
53
1943
51
1944
37
1945
42
1946
30
1947
37
1948
26
1949
30
1950
35
1951
16
1952
36
1953
30
1954
10
1955
17
1956
42
1957
18
1959
5
1964
31
1965
27
1966
31
1967
32
1968
28
1969
36
1970
23
1971
23
1972
41
1973
22
1974
36
1975
30
1976
42
1977
41
1978
36
1979
39
1980
21
1981
43
1982
40
1983
50
All-Time Record Progression
1 new records
1 all-time records were set at Red Lake A between 7 July 1981 and 7 July 1981. Each dot is a new record.
When Red Lake A set new all-time records
Date
Kind
Detail
1981-07-07
Record high minimum temperature
Record high minimum temperature 24.1 C (75.4 F)
Wettest Day of Each Month
Jul: 110.2 mm (4.3 in)
The wettest day on record for each calendar month at Red Lake A. The most was 110.2 mm (4.3 in) on 29 July 1948.
Record daily precipitation for each month at Red Lake A
Month
Record daily precipitation (mm)
Date
Jan
40.9 mm (1.6 in)
8 January 1969
Feb
22.9 mm (0.9 in)
8 February 1945
Mar
31.2 mm (1.2 in)
31 March 1978
Apr
43.4 mm (1.7 in)
21 April 1948
May
42.9 mm (1.7 in)
7 May 1964
Jun
46.5 mm (1.8 in)
18 June 1939
Jul
110.2 mm (4.3 in)
29 July 1948
Aug
54.9 mm (2.2 in)
11 August 1974
Sep
61.5 mm (2.4 in)
9 September 1977
Oct
74.9 mm (2.9 in)
6 October 1970
Nov
28.2 mm (1.1 in)
9 November 1977
Dec
22.9 mm (0.9 in)
7 December 1941
Period of Record Coverage
1930 to 1983
Complete yearUnder 90 percent of days
45 years of record at Red Lake A, 1930 to 1983. 20 years have data for under 90 percent of days and are left out of rankings: 1930, 1931, 1932, 1933, 1934, 1945, 1946, 1947 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 27 complete years at Red Lake A, 1939 to 1983. Blue stripes are years cooler than the station's own mean of 0.7 C (33.3 F); red stripes are warmer. The coolest year was 1950, at -1.8 C (28.7 F), and the warmest was 1941, at 2.4 C (36.4 F). The strongest colour marks a difference of 2.6 C (4.7 F).
Annual mean temperature at Red Lake A as warming stripes, 1939 to 1983
Year
Annual mean temperature
Difference from the station mean
1939
0.9 C
+0.12 C
1940
1.7 C
+0.91 C
1941
2.4 C
+1.69 C
1942
1.6 C
+0.82 C
1943
0.5 C
-0.21 C
1944
2.1 C
+1.39 C
1945
0.7 C
-0.06 C
1949
0.2 C
-0.51 C
1950
-1.8 C
-2.56 C
1965
-0.1 C
-0.81 C
1966
0.1 C
-0.69 C
1967
0.1 C
-0.63 C
1968
0.7 C
+0.00 C
1969
1.4 C
+0.65 C
1970
0.7 C
-0.03 C
1971
1.0 C
+0.30 C
1972
-0.6 C
-1.33 C
1973
1.8 C
+1.07 C
1974
0.4 C
-0.31 C
1975
1.4 C
+0.68 C
1976
1.0 C
+0.29 C
1977
1.9 C
+1.16 C
1978
-0.5 C
-1.22 C
1979
-0.8 C
-1.54 C
1981
1.9 C
+1.14 C
1982
-0.4 C
-1.16 C
1983
1.5 C
+0.72 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
1930 to 1983
Yearly extremes at Red Lake A: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
37.2 C (99.0 F)
1933
32.2 C (90.0 F)
45
Coldest night (TNn)
-45.6 C (-50.1 F)
1934
-39.4 C (-38.9 F)
45
Wettest day (Rx1day)
110.2 mm (4.3 in)
1948
34.5 mm (1.4 in)
44
Wettest five days (Rx5day)
118.5 mm (4.7 in)
1948
51.4 mm (2.0 in)
44
Longest dry spell (CDD)
44 days
1939
21 days
44
Hottest day (TXx)
The hottest day of the year at Red Lake A, 1930 to 1983. The record is 37.2 C (99.0 F) in 1933, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Red Lake A by year
Year
Hottest day (TXx)
1930
26.1 C (79.0 F)
1931
23.9 C (75.0 F)
1932
1.1 C (34.0 F)
1933
37.2 C (99.0 F)
1934
31.1 C (88.0 F)
1939
31.7 C (89.1 F)
1940
34.4 C (93.9 F)
1941
35.6 C (96.1 F)
1942
30.6 C (87.1 F)
1943
32.8 C (91.0 F)
1944
32.8 C (91.0 F)
1945
36.1 C (97.0 F)
1946
30.0 C (86.0 F)
1947
33.9 C (93.0 F)
1948
32.2 C (90.0 F)
1949
33.9 C (93.0 F)
1950
30.0 C (86.0 F)
1951
24.4 C (75.9 F)
1952
33.9 C (93.0 F)
1953
30.6 C (87.1 F)
1954
8.9 C (48.0 F)
1955
33.3 C (91.9 F)
1956
34.4 C (93.9 F)
1957
32.2 C (90.0 F)
1959
2.2 C (36.0 F)
1964
33.3 C (91.9 F)
1965
31.7 C (89.1 F)
1966
32.2 C (90.0 F)
1967
33.3 C (91.9 F)
1968
29.4 C (84.9 F)
1969
32.8 C (91.0 F)
1970
32.8 C (91.0 F)
1971
32.2 C (90.0 F)
1972
31.1 C (88.0 F)
1973
30.0 C (86.0 F)
1974
32.8 C (91.0 F)
1975
35.6 C (96.1 F)
1976
35.0 C (95.0 F)
1977
32.3 C (90.1 F)
1978
30.8 C (87.4 F)
1979
33.6 C (92.5 F)
1980
30.2 C (86.4 F)
1981
33.3 C (91.9 F)
1982
29.6 C (85.3 F)
1983
35.8 C (96.4 F)
Coldest night (TNn)
The coldest night of the year at Red Lake A, 1930 to 1983. The record is -45.6 C (-50.1 F) in 1934, marked on the chart; the median year is -39.4 C (-38.9 F).
Coldest night (TNn) at Red Lake A by year
Year
Coldest night (TNn)
1930
0.0 C (32.0 F)
1931
-24.4 C (-11.9 F)
1932
-38.9 C (-38.0 F)
1933
-44.4 C (-47.9 F)
1934
-45.6 C (-50.1 F)
1939
-39.4 C (-38.9 F)
1940
-37.2 C (-35.0 F)
1941
-40.6 C (-41.1 F)
1942
-40.0 C (-40.0 F)
1943
-45.6 C (-50.1 F)
1944
-35.0 C (-31.0 F)
1945
-37.8 C (-36.0 F)
1946
-39.4 C (-38.9 F)
1947
-33.3 C (-27.9 F)
1948
-37.8 C (-36.0 F)
1949
-45.6 C (-50.1 F)
1950
-43.9 C (-47.0 F)
1951
-42.2 C (-44.0 F)
1952
-37.8 C (-36.0 F)
1953
-38.9 C (-38.0 F)
1954
-35.6 C (-32.1 F)
1955
-41.1 C (-42.0 F)
1956
-38.3 C (-36.9 F)
1957
-41.1 C (-42.0 F)
1959
-42.2 C (-44.0 F)
1964
-34.4 C (-29.9 F)
1965
-39.4 C (-38.9 F)
1966
-43.9 C (-47.0 F)
1967
-39.4 C (-38.9 F)
1968
-42.8 C (-45.0 F)
1969
-35.6 C (-32.1 F)
1970
-38.3 C (-36.9 F)
1971
-38.9 C (-38.0 F)
1972
-42.2 C (-44.0 F)
1973
-40.0 C (-40.0 F)
1974
-41.7 C (-43.1 F)
1975
-35.6 C (-32.1 F)
1976
-36.1 C (-33.0 F)
1977
-38.0 C (-36.4 F)
1978
-37.5 C (-35.5 F)
1979
-39.8 C (-39.6 F)
1980
-37.2 C (-35.0 F)
1981
-44.0 C (-47.2 F)
1982
-43.7 C (-46.7 F)
1983
-40.0 C (-40.0 F)
Wettest day (Rx1day)
The wettest day of the year at Red Lake A, 1930 to 1983. The record is 110.2 mm (4.3 in) in 1948, marked on the chart; the median year is 34.5 mm (1.4 in).
Wettest day (Rx1day) at Red Lake A by year
Year
Wettest day (Rx1day)
1930
9.4 mm (0.37 in)
1931
16.0 mm (0.6 in)
1932
12.2 mm (0.5 in)
1933
21.6 mm (0.9 in)
1934
40.1 mm (1.6 in)
1939
46.5 mm (1.8 in)
1940
37.6 mm (1.5 in)
1941
46.7 mm (1.8 in)
1942
27.7 mm (1.1 in)
1943
42.7 mm (1.7 in)
1944
46.2 mm (1.8 in)
1945
26.2 mm (1.0 in)
1946
6.4 mm (0.25 in)
1947
24.6 mm (1.0 in)
1948
110.2 mm (4.3 in)
1949
38.6 mm (1.5 in)
1950
33.0 mm (1.3 in)
1951
10.2 mm (0.4 in)
1952
38.1 mm (1.5 in)
1953
25.4 mm (1.0 in)
1954
n/a
1955
22.9 mm (0.9 in)
1956
14.0 mm (0.6 in)
1957
22.9 mm (0.9 in)
1959
5.1 mm (0.20 in)
1964
42.9 mm (1.7 in)
1965
38.6 mm (1.5 in)
1966
30.7 mm (1.2 in)
1967
27.7 mm (1.1 in)
1968
38.6 mm (1.5 in)
1969
40.9 mm (1.6 in)
1970
74.9 mm (2.9 in)
1971
38.1 mm (1.5 in)
1972
41.7 mm (1.6 in)
1973
34.8 mm (1.4 in)
1974
68.1 mm (2.7 in)
1975
45.5 mm (1.8 in)
1976
24.1 mm (0.9 in)
1977
61.5 mm (2.4 in)
1978
31.2 mm (1.2 in)
1979
37.9 mm (1.5 in)
1980
31.8 mm (1.3 in)
1981
49.0 mm (1.9 in)
1982
34.1 mm (1.3 in)
1983
29.0 mm (1.1 in)
Wettest five days (Rx5day)
The wettest five days of the year at Red Lake A, 1930 to 1983. The record is 118.5 mm (4.7 in) in 1948, marked on the chart; the median year is 51.4 mm (2.0 in).
Wettest five days (Rx5day) at Red Lake A by year
Year
Wettest five days (Rx5day)
1930
11.4 mm (0.4 in)
1931
18.3 mm (0.7 in)
1932
18.5 mm (0.7 in)
1933
32.2 mm (1.3 in)
1934
51.3 mm (2.0 in)
1939
77.4 mm (3.0 in)
1940
38.9 mm (1.5 in)
1941
69.1 mm (2.7 in)
1942
52.6 mm (2.1 in)
1943
47.7 mm (1.9 in)
1944
86.6 mm (3.4 in)
1945
57.0 mm (2.2 in)
1946
14.0 mm (0.6 in)
1947
39.7 mm (1.6 in)
1948
118.5 mm (4.7 in)
1949
66.1 mm (2.6 in)
1950
72.1 mm (2.8 in)
1951
15.3 mm (0.6 in)
1952
53.6 mm (2.1 in)
1953
27.9 mm (1.1 in)
1954
n/a
1955
33.1 mm (1.3 in)
1956
24.3 mm (1.0 in)
1957
22.9 mm (0.9 in)
1959
7.6 mm (0.30 in)
1964
57.1 mm (2.2 in)
1965
49.3 mm (1.9 in)
1966
50.8 mm (2.0 in)
1967
51.8 mm (2.0 in)
1968
50.8 mm (2.0 in)
1969
58.2 mm (2.3 in)
1970
105.2 mm (4.1 in)
1971
72.7 mm (2.9 in)
1972
42.0 mm (1.7 in)
1973
69.3 mm (2.7 in)
1974
87.7 mm (3.5 in)
1975
89.7 mm (3.5 in)
1976
31.4 mm (1.2 in)
1977
84.9 mm (3.3 in)
1978
49.3 mm (1.9 in)
1979
51.4 mm (2.0 in)
1980
45.3 mm (1.8 in)
1981
64.8 mm (2.6 in)
1982
52.9 mm (2.1 in)
1983
54.5 mm (2.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Red Lake A, 1930 to 1983. The record is 44 days in 1939, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Red Lake A by year
Year
Longest dry spell (CDD)
1930
10 days
1931
21 days
1932
10 days
1933
24 days
1934
20 days
1939
44 days
1940
33 days
1941
19 days
1942
29 days
1943
27 days
1944
34 days
1945
16 days
1946
16 days
1947
28 days
1948
38 days
1949
20 days
1950
33 days
1951
12 days
1952
22 days
1953
17 days
1954
n/a
1955
33 days
1956
18 days
1957
11 days
1959
14 days
1964
34 days
1965
18 days
1966
23 days
1967
24 days
1968
27 days
1969
26 days
1970
15 days
1971
20 days
1972
18 days
1973
25 days
1974
16 days
1975
19 days
1976
23 days
1977
28 days
1978
27 days
1979
18 days
1980
19 days
1981
19 days
1982
20 days
1983
24 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
27 years with a frost
Across 27 years with a frost, the median last spring frost at Red Lake A falls on 23 May and the median first autumn frost on 23 September, which leaves a median of 125 days between them.
Fitted over all years, the growing season changes by -2.4 days per decade at this station.
Frost dates and growing season at Red Lake A
Measure
Median, all years
Earliest period
Recent period (1939 to 1983)
Recent against earliest
Fitted trend
Last spring frost
23 May
n/a
23 May
n/a
+0.1 days per decade
First autumn frost
23 September
n/a
23 September
n/a
-2.3 days per decade
Growing days
125 days
n/a
125 days
n/a
-2.4 days per decade
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 Red Lake A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Red Lake 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.