Record envelope, standing records and threshold days for Cook 18 W (USC00211776), Minnesota, United States, with 37 years of record.
Key Facts for Cook 18 W
Cook 18 W (USC00211776) is a weather station in Minnesota, United States at 47.87 latitude and -93.07 longitude, 401 m (1,315 ft) above sea level.
The station reports from 1959 to 1995, 37 years of record.
1,464 records set at Cook 18 W still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Cook 18 W set an all-time record daily precipitation of 127.0 mm (5.0 in) on 30 September 1995.
About the Station
Location: Minnesota, United States, 47.87 latitude, -93.07 longitude.
Elevation: 401 m (1,315 ft).
Period of record: 1959 to 1995, 37 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Cook 18 W. 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 Cook 18 W, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
10.6 C (51.1 F)
-45.6 C (-50.1 F)
n/a
n/a
Feb
14.4 C (57.9 F)
-42.8 C (-45.0 F)
n/a
n/a
Mar
23.3 C (73.9 F)
-43.3 C (-45.9 F)
n/a
n/a
Apr
31.1 C (88.0 F)
-24.4 C (-11.9 F)
n/a
n/a
May
33.3 C (91.9 F)
-15.0 C (5.0 F)
n/a
n/a
Jun
35.0 C (95.0 F)
-8.3 C (17.1 F)
n/a
n/a
Jul
36.7 C (98.1 F)
-1.1 C (30.0 F)
n/a
n/a
Aug
37.2 C (99.0 F)
-3.9 C (25.0 F)
n/a
n/a
Sep
35.6 C (96.1 F)
-10.6 C (12.9 F)
n/a
n/a
Oct
31.1 C (88.0 F)
-19.4 C (-2.9 F)
n/a
n/a
Nov
22.2 C (72.0 F)
-36.7 C (-34.1 F)
n/a
n/a
Dec
13.9 C (57.0 F)
-41.7 C (-43.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Cook 18 W still stand. 1976 holds the most, with 68.
Standing records at Cook 18 W by the year they were set
Year set
Standing records
1959
10
1960
21
1961
44
1962
59
1963
67
1964
61
1965
60
1966
63
1967
58
1968
58
1969
23
1970
40
1971
28
1972
37
1973
41
1974
47
1975
44
1976
68
1977
47
1978
23
1979
31
1980
26
1981
42
1982
36
1983
37
1984
19
1985
20
1986
27
1987
61
1988
31
1989
35
1990
28
1991
47
1992
36
1993
38
1994
20
1995
31
All-Time Record Progression
2 new records
2 all-time records were set at Cook 18 W between 1 November 1991 and 30 September 1995. Each dot is a new record.
When Cook 18 W set new all-time records
Date
Kind
Detail
1991-11-01
Record daily snowfall
Record daily snowfall 73.7 cm (29.0 in)
1995-09-30
Record daily precipitation
Record daily precipitation 127.0 mm (5.0 in)
Wettest Day of Each Month
Sep: 127.0 mm (5.0 in)
The wettest day on record for each calendar month at Cook 18 W. The most was 127.0 mm (5.0 in) on 30 September 1995.
Record daily precipitation for each month at Cook 18 W
Month
Record daily precipitation (mm)
Date
Jan
33.8 mm (1.3 in)
11 January 1975
Feb
31.8 mm (1.3 in)
27 February 1971
Mar
30.5 mm (1.2 in)
4 March 1966
Apr
35.3 mm (1.4 in)
3 April 1963
May
47.0 mm (1.9 in)
31 May 1977
Jun
78.0 mm (3.1 in)
6 June 1974
Jul
65.3 mm (2.6 in)
14 July 1969
Aug
97.8 mm (3.9 in)
16 August 1972
Sep
127.0 mm (5.0 in)
30 September 1995
Oct
58.9 mm (2.3 in)
27 October 1971
Nov
44.5 mm (1.8 in)
9 November 1977
Dec
26.9 mm (1.1 in)
13 December 1968
Period of Record Coverage
1959 to 1995
Complete yearUnder 90 percent of days
37 years of record at Cook 18 W, 1959 to 1995. 9 years have data for under 90 percent of days and are left out of rankings: 1959, 1960, 1984, 1985, 1988, 1990, 1991, 1994 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 25 complete years at Cook 18 W, 1961 to 1993. Blue stripes are years cooler than the station's own mean of 3.3 C (38.0 F); red stripes are warmer. The coolest year was 1965, at 1.4 C (34.6 F), and the warmest was 1987, at 6.5 C (43.7 F). The strongest colour marks a difference of 3.2 C (5.8 F).
Annual mean temperature at Cook 18 W as warming stripes, 1961 to 1993
Year
Annual mean temperature
Difference from the station mean
1961
3.6 C
+0.31 C
1962
2.8 C
-0.47 C
1963
3.4 C
+0.08 C
1964
2.8 C
-0.52 C
1965
1.4 C
-1.88 C
1967
2.3 C
-0.98 C
1968
3.4 C
+0.12 C
1969
3.4 C
+0.04 C
1970
2.9 C
-0.40 C
1971
3.0 C
-0.33 C
1972
1.8 C
-1.49 C
1973
4.5 C
+1.16 C
1974
3.1 C
-0.21 C
1975
3.4 C
+0.05 C
1976
3.0 C
-0.32 C
1977
3.8 C
+0.49 C
1978
2.8 C
-0.50 C
1979
1.9 C
-1.43 C
1980
3.5 C
+0.15 C
1981
4.8 C
+1.53 C
1982
2.5 C
-0.77 C
1983
4.3 C
+1.03 C
1987
6.5 C
+3.17 C
1992
4.1 C
+0.80 C
1993
3.6 C
+0.29 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
1959 to 1995
Yearly extremes at Cook 18 W: 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)
1976
33.3 C (91.9 F)
37
Coldest night (TNn)
-45.6 C (-50.1 F)
1965
-38.9 C (-38.0 F)
37
Wettest day (Rx1day)
127.0 mm (5.0 in)
1995
49.5 mm (1.9 in)
37
Wettest five days (Rx5day)
149.1 mm (5.9 in)
1972
78.7 mm (3.1 in)
37
Longest dry spell (CDD)
70 days
1976
24 days
37
Hottest day (TXx)
The hottest day of the year at Cook 18 W, 1959 to 1995. The record is 37.2 C (99.0 F) in 1976, marked on the chart; the median year is 33.3 C (91.9 F).
Hottest day (TXx) at Cook 18 W by year
Year
Hottest day (TXx)
1959
23.9 C (75.0 F)
1960
32.2 C (90.0 F)
1961
33.9 C (93.0 F)
1962
30.6 C (87.1 F)
1963
34.4 C (93.9 F)
1964
33.3 C (91.9 F)
1965
32.2 C (90.0 F)
1966
33.3 C (91.9 F)
1967
32.8 C (91.0 F)
1968
30.0 C (86.0 F)
1969
33.3 C (91.9 F)
1970
33.3 C (91.9 F)
1971
32.2 C (90.0 F)
1972
32.2 C (90.0 F)
1973
33.3 C (91.9 F)
1974
33.9 C (93.0 F)
1975
35.6 C (96.1 F)
1976
37.2 C (99.0 F)
1977
33.9 C (93.0 F)
1978
33.9 C (93.0 F)
1979
31.7 C (89.1 F)
1980
36.1 C (97.0 F)
1981
33.3 C (91.9 F)
1982
31.7 C (89.1 F)
1983
36.1 C (97.0 F)
1984
35.0 C (95.0 F)
1985
31.1 C (88.0 F)
1986
32.8 C (91.0 F)
1987
33.3 C (91.9 F)
1988
36.7 C (98.1 F)
1989
32.8 C (91.0 F)
1990
32.8 C (91.0 F)
1991
33.3 C (91.9 F)
1992
31.1 C (88.0 F)
1993
31.7 C (89.1 F)
1994
27.8 C (82.0 F)
1995
35.0 C (95.0 F)
Coldest night (TNn)
The coldest night of the year at Cook 18 W, 1959 to 1995. The record is -45.6 C (-50.1 F) in 1965, marked on the chart; the median year is -38.9 C (-38.0 F).
Coldest night (TNn) at Cook 18 W by year
Year
Coldest night (TNn)
1959
-27.2 C (-17.0 F)
1960
-35.6 C (-32.1 F)
1961
-38.9 C (-38.0 F)
1962
-43.3 C (-45.9 F)
1963
-42.8 C (-45.0 F)
1964
-38.3 C (-36.9 F)
1965
-45.6 C (-50.1 F)
1966
-42.8 C (-45.0 F)
1967
-42.8 C (-45.0 F)
1968
-42.2 C (-44.0 F)
1969
-36.1 C (-33.0 F)
1970
-41.7 C (-43.1 F)
1971
-38.3 C (-36.9 F)
1972
-42.8 C (-45.0 F)
1973
-42.2 C (-44.0 F)
1974
-38.3 C (-36.9 F)
1975
-37.8 C (-36.0 F)
1976
-38.9 C (-38.0 F)
1977
-42.2 C (-44.0 F)
1978
-38.3 C (-36.9 F)
1979
-40.6 C (-41.1 F)
1980
-36.7 C (-34.1 F)
1981
-41.7 C (-43.1 F)
1982
-45.6 C (-50.1 F)
1983
-41.7 C (-43.1 F)
1984
-38.3 C (-36.9 F)
1985
-34.4 C (-29.9 F)
1986
-36.7 C (-34.1 F)
1987
-38.9 C (-38.0 F)
1988
-41.7 C (-43.1 F)
1989
-38.9 C (-38.0 F)
1990
-33.9 C (-29.0 F)
1991
-31.7 C (-25.1 F)
1992
-37.2 C (-35.0 F)
1993
-38.9 C (-38.0 F)
1994
-28.3 C (-18.9 F)
1995
-36.7 C (-34.1 F)
Wettest day (Rx1day)
The wettest day of the year at Cook 18 W, 1959 to 1995. The record is 127.0 mm (5.0 in) in 1995, marked on the chart; the median year is 49.5 mm (1.9 in).
Wettest day (Rx1day) at Cook 18 W by year
Year
Wettest day (Rx1day)
1959
13.7 mm (0.5 in)
1960
50.8 mm (2.0 in)
1961
24.4 mm (1.0 in)
1962
51.6 mm (2.0 in)
1963
62.5 mm (2.5 in)
1964
79.8 mm (3.1 in)
1965
46.5 mm (1.8 in)
1966
62.2 mm (2.4 in)
1967
30.5 mm (1.2 in)
1968
41.1 mm (1.6 in)
1969
65.3 mm (2.6 in)
1970
48.3 mm (1.9 in)
1971
58.9 mm (2.3 in)
1972
97.8 mm (3.9 in)
1973
49.5 mm (1.9 in)
1974
78.0 mm (3.1 in)
1975
33.8 mm (1.3 in)
1976
34.5 mm (1.4 in)
1977
77.5 mm (3.1 in)
1978
51.8 mm (2.0 in)
1979
50.8 mm (2.0 in)
1980
36.8 mm (1.4 in)
1981
29.5 mm (1.2 in)
1982
57.2 mm (2.3 in)
1983
77.2 mm (3.0 in)
1984
57.2 mm (2.3 in)
1985
47.5 mm (1.9 in)
1986
26.7 mm (1.1 in)
1987
58.9 mm (2.3 in)
1988
53.3 mm (2.1 in)
1989
42.2 mm (1.7 in)
1990
40.6 mm (1.6 in)
1991
41.1 mm (1.6 in)
1992
34.3 mm (1.4 in)
1993
45.7 mm (1.8 in)
1994
41.7 mm (1.6 in)
1995
127.0 mm (5.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Cook 18 W, 1959 to 1995. The record is 149.1 mm (5.9 in) in 1972, marked on the chart; the median year is 78.7 mm (3.1 in).
Wettest five days (Rx5day) at Cook 18 W by year
Year
Wettest five days (Rx5day)
1959
26.7 mm (1.1 in)
1960
57.9 mm (2.3 in)
1961
64.0 mm (2.5 in)
1962
100.6 mm (4.0 in)
1963
81.8 mm (3.2 in)
1964
113.0 mm (4.4 in)
1965
58.8 mm (2.3 in)
1966
101.2 mm (4.0 in)
1967
49.8 mm (2.0 in)
1968
67.3 mm (2.6 in)
1969
80.1 mm (3.2 in)
1970
89.0 mm (3.5 in)
1971
87.1 mm (3.4 in)
1972
149.1 mm (5.9 in)
1973
72.4 mm (2.9 in)
1974
93.0 mm (3.7 in)
1975
60.9 mm (2.4 in)
1976
62.2 mm (2.4 in)
1977
84.3 mm (3.3 in)
1978
78.7 mm (3.1 in)
1979
78.2 mm (3.1 in)
1980
46.8 mm (1.8 in)
1981
75.5 mm (3.0 in)
1982
75.0 mm (3.0 in)
1983
117.9 mm (4.6 in)
1984
85.2 mm (3.4 in)
1985
80.0 mm (3.1 in)
1986
59.8 mm (2.4 in)
1987
134.9 mm (5.3 in)
1988
86.2 mm (3.4 in)
1989
59.0 mm (2.3 in)
1990
61.9 mm (2.4 in)
1991
86.6 mm (3.4 in)
1992
48.2 mm (1.9 in)
1993
70.0 mm (2.8 in)
1994
79.0 mm (3.1 in)
1995
134.6 mm (5.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Cook 18 W, 1959 to 1995. The record is 70 days in 1976, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Cook 18 W by year
Year
Longest dry spell (CDD)
1959
9 days
1960
21 days
1961
23 days
1962
27 days
1963
26 days
1964
32 days
1965
24 days
1966
21 days
1967
20 days
1968
28 days
1969
35 days
1970
16 days
1971
19 days
1972
22 days
1973
30 days
1974
18 days
1975
18 days
1976
70 days
1977
20 days
1978
26 days
1979
20 days
1980
30 days
1981
32 days
1982
23 days
1983
33 days
1984
43 days
1985
20 days
1986
40 days
1987
26 days
1988
35 days
1989
29 days
1990
22 days
1991
15 days
1992
45 days
1993
30 days
1994
14 days
1995
15 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
25 years with a frost
Across 25 years with a frost, the median last spring frost at Cook 18 W falls on 8 June and the median first autumn frost on 31 August, which leaves a median of 87 days between them.
Fitted over all years, the growing season changes by +21.9 days per decade at this station.
Frost dates and growing season at Cook 18 W
Measure
Median, all years
Earliest period
Recent period (1961 to 1993)
Recent against earliest
Fitted trend
Last spring frost
8 June
n/a
8 June
n/a
-5.7 days per decade
First autumn frost
31 August
n/a
31 August
n/a
+16.1 days per decade
Growing days
87 days
n/a
87 days
n/a
+21.9 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 Cook 18 W standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cook 18 W 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.