Record envelope, standing records and threshold days for Mizpah 4 NNW (USC00245754), Montana, United States, with 78 years of record.
Key Facts for Mizpah 4 NNW
Mizpah 4 NNW (USC00245754) is a weather station in Montana, United States at 46.29 latitude and -105.29 longitude, 756 m (2,480 ft) above sea level.
The station reports from 1949 to 2026, 78 years of record.
1,464 records set at Mizpah 4 NNW still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Mizpah 4 NNW set a daily record high minimum temperature of 23.9 C (75.0 F) on 29 July 2026.
About the Station
Location: Montana, United States, 46.29 latitude, -105.29 longitude.
Elevation: 756 m (2,480 ft).
Period of record: 1949 to 2026, 78 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
23 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 Mizpah 4 NNW. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Mizpah 4 NNW, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
20.6 C (69.1 F)
-42.8 C (-45.0 F)
15.6 C (60.1 F)
-27.2 C (-17.0 F)
Feb
22.8 C (73.0 F)
-42.8 C (-45.0 F)
20.0 C (68.0 F)
-21.7 C (-7.1 F)
Mar
29.4 C (84.9 F)
-40.0 C (-40.0 F)
27.2 C (81.0 F)
-25.0 C (-13.0 F)
Apr
33.3 C (91.9 F)
-20.6 C (-5.1 F)
n/a
n/a
May
38.3 C (100.9 F)
-13.3 C (8.1 F)
36.1 C (97.0 F)
-13.3 C (8.1 F)
Jun
43.9 C (111.0 F)
-6.1 C (21.0 F)
35.0 C (95.0 F)
1.7 C (35.1 F)
Jul
46.1 C (115.0 F)
0.6 C (33.1 F)
46.1 C (115.0 F)
8.3 C (46.9 F)
Aug
43.3 C (109.9 F)
-3.3 C (26.1 F)
n/a
n/a
Sep
41.1 C (106.0 F)
-9.4 C (15.1 F)
n/a
n/a
Oct
35.6 C (96.1 F)
-23.9 C (-11.0 F)
n/a
n/a
Nov
26.7 C (80.1 F)
-33.9 C (-29.0 F)
n/a
n/a
Dec
21.1 C (70.0 F)
-45.0 C (-49.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Mizpah 4 NNW still stand. 1988 holds the most, with 47.
Standing records at Mizpah 4 NNW by the year they were set
Year set
Standing records
1960
10
1961
24
1962
30
1963
20
1964
21
1965
38
1966
20
1967
16
1968
22
1969
25
1970
10
1971
14
1972
27
1973
11
1974
18
1975
7
1976
13
1977
22
1978
16
1979
17
1980
24
1981
15
1982
23
1983
27
1984
24
1985
32
1986
20
1987
24
1988
47
1989
33
1990
26
1991
28
1992
36
1993
19
1994
18
1995
44
1996
28
1997
18
1998
14
1999
17
2000
27
2001
15
2002
24
2003
33
2004
21
2005
26
2006
13
2007
20
2008
14
2009
28
2010
16
2011
27
2012
23
2013
24
2014
22
2015
27
2016
14
2017
11
2018
10
2019
13
2020
28
2021
29
2022
14
2023
17
2024
16
2025
26
2026
28
All-Time Record Progression
3 new records
3 all-time records were set at Mizpah 4 NNW between 23 March 1994 and 12 July 2026. Each dot is a new record.
When Mizpah 4 NNW set new all-time records
Date
Kind
Detail
1994-03-23
Record daily snowfall
Record daily snowfall 29.5 cm (11.6 in)
1999-08-12
Record daily precipitation
Record daily precipitation 85.9 mm (3.4 in)
2026-07-12
Record high maximum temperature
Record high maximum temperature 46.1 C (115.0 F)
Wettest Day of Each Month
Aug: 85.9 mm (3.4 in)
The wettest day on record for each calendar month at Mizpah 4 NNW. The most was 85.9 mm (3.4 in) on 12 August 1999.
Record daily precipitation for each month at Mizpah 4 NNW
Month
Record daily precipitation (mm)
Date
Jan
17.3 mm (0.7 in)
3 January 1996
Feb
18.8 mm (0.7 in)
20 February 2011
Mar
39.9 mm (1.6 in)
18 March 2003
Apr
48.5 mm (1.9 in)
27 April 1989
May
79.0 mm (3.1 in)
10 May 2011
Jun
71.6 mm (2.8 in)
16 June 2025
Jul
58.7 mm (2.3 in)
27 July 2001
Aug
85.9 mm (3.4 in)
12 August 1999
Sep
75.2 mm (3.0 in)
3 September 1973
Oct
82.6 mm (3.3 in)
2 October 1971
Nov
19.8 mm (0.8 in)
9 November 1978
Dec
15.2 mm (0.6 in)
3 December 2013
Period of Record Coverage
1960 to 2026
Complete yearUnder 90 percent of days
67 years of record at Mizpah 4 NNW, 1960 to 2026. 4 years have data for under 90 percent of days and are left out of rankings: 1960, 1963, 2018, 2026.
Cooler than the station meanWarmer than the station mean
One stripe for each of 57 complete years at Mizpah 4 NNW, 1961 to 2025. Blue stripes are years cooler than the station's own mean of 7.3 C (45.2 F); red stripes are warmer. The coolest year was 1978, at 4.9 C (40.8 F), and the warmest was 1988, at 9.2 C (48.6 F). The strongest colour marks a difference of 2.5 C (4.5 F).
Annual mean temperature at Mizpah 4 NNW as warming stripes, 1961 to 2025
Year
Annual mean temperature
Difference from the station mean
1961
8.3 C
+1.00 C
1962
7.5 C
+0.19 C
1964
6.5 C
-0.83 C
1965
5.5 C
-1.87 C
1966
6.0 C
-1.31 C
1967
6.9 C
-0.41 C
1968
6.3 C
-1.05 C
1969
5.8 C
-1.52 C
1970
6.2 C
-1.18 C
1971
6.3 C
-1.09 C
1972
6.0 C
-1.36 C
1973
7.5 C
+0.12 C
1974
7.8 C
+0.42 C
1976
7.7 C
+0.35 C
1977
7.1 C
-0.21 C
1978
4.9 C
-2.44 C
1979
5.6 C
-1.70 C
1980
8.0 C
+0.69 C
1981
8.9 C
+1.58 C
1982
5.4 C
-1.96 C
1983
7.6 C
+0.30 C
1984
7.5 C
+0.17 C
1985
6.1 C
-1.24 C
1986
8.2 C
+0.85 C
1988
9.2 C
+1.86 C
1989
6.6 C
-0.70 C
1990
8.3 C
+1.00 C
1991
8.2 C
+0.82 C
1992
8.3 C
+1.00 C
1993
5.7 C
-1.63 C
1994
7.7 C
+0.35 C
1996
5.7 C
-1.67 C
1997
8.0 C
+0.66 C
1998
8.7 C
+1.40 C
1999
8.8 C
+1.45 C
2000
7.5 C
+0.17 C
2001
8.4 C
+1.02 C
2003
8.2 C
+0.84 C
2004
8.1 C
+0.77 C
2005
8.0 C
+0.70 C
2006
8.9 C
+1.53 C
2007
8.3 C
+0.96 C
2008
6.0 C
-1.33 C
2009
6.2 C
-1.15 C
2010
5.4 C
-1.98 C
2011
5.9 C
-1.41 C
2012
8.1 C
+0.76 C
2014
6.9 C
-0.47 C
2015
9.0 C
+1.61 C
2016
9.2 C
+1.83 C
2017
7.9 C
+0.56 C
2019
5.7 C
-1.64 C
2020
8.2 C
+0.84 C
2021
8.5 C
+1.12 C
2023
8.1 C
+0.73 C
2024
8.8 C
+1.44 C
2025
8.3 C
+0.91 C
The annual mean temperature here has risen by 0.2 C (0.1 to 0.4) per decade over 1961 to 2025. In Fahrenheit: 0.4 F (0.1 to 0.7) per decade. The slope is a straight line fitted to 57 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Mizpah 4 NNW
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.2 C (0.1 to 0.4) per decade
0.4 F (0.1 to 0.7) per decade
1961 to 2025
57
Rise
Mean daily maximum
0.4 C (0.2 to 0.5) per decade
0.6 F (0.3 to 1.0) per decade
1961 to 2025
57
Rise
Mean daily minimum
0.1 C (-0.1 to 0.2) per decade
0.2 F (-0.1 to 0.4) per decade
1961 to 2025
57
Not clearly different from zero
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
1949 to 2026
Yearly extremes at Mizpah 4 NNW: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
46.1 C (115.0 F)
2026
40.6 C (105.1 F)
67
Coldest night (TNn)
-45.0 C (-49.0 F)
1989
-36.1 C (-33.0 F)
67
Wettest day (Rx1day)
85.9 mm (3.4 in)
1999
35.0 mm (1.4 in)
78
Wettest five days (Rx5day)
119.4 mm (4.7 in)
2013
56.8 mm (2.2 in)
78
Longest dry spell (CDD)
86 days
1956
35 days
78
Hottest day (TXx)
The hottest day of the year at Mizpah 4 NNW, 1949 to 2026. The record is 46.1 C (115.0 F) in 2026, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Mizpah 4 NNW by year
Year
Hottest day (TXx)
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
44.4 C (111.9 F)
1961
42.2 C (108.0 F)
1962
37.2 C (99.0 F)
1963
40.6 C (105.1 F)
1964
41.7 C (107.1 F)
1965
42.2 C (108.0 F)
1966
39.4 C (102.9 F)
1967
38.3 C (100.9 F)
1968
37.8 C (100.0 F)
1969
40.0 C (104.0 F)
1970
38.9 C (102.0 F)
1971
40.0 C (104.0 F)
1972
37.2 C (99.0 F)
1973
38.9 C (102.0 F)
1974
38.3 C (100.9 F)
1975
40.6 C (105.1 F)
1976
40.6 C (105.1 F)
1977
42.8 C (109.0 F)
1978
40.6 C (105.1 F)
1979
38.9 C (102.0 F)
1980
41.7 C (107.1 F)
1981
41.7 C (107.1 F)
1982
38.9 C (102.0 F)
1983
43.3 C (109.9 F)
1984
41.7 C (107.1 F)
1985
41.1 C (106.0 F)
1986
38.9 C (102.0 F)
1987
38.3 C (100.9 F)
1988
43.3 C (109.9 F)
1989
41.7 C (107.1 F)
1990
42.2 C (108.0 F)
1991
39.4 C (102.9 F)
1992
37.8 C (100.0 F)
1993
34.4 C (93.9 F)
1994
38.3 C (100.9 F)
1995
43.3 C (109.9 F)
1996
40.6 C (105.1 F)
1997
38.3 C (100.9 F)
1998
40.6 C (105.1 F)
1999
41.7 C (107.1 F)
2000
40.6 C (105.1 F)
2001
42.2 C (108.0 F)
2002
43.9 C (111.0 F)
2003
41.7 C (107.1 F)
2004
41.7 C (107.1 F)
2005
41.7 C (107.1 F)
2006
41.1 C (106.0 F)
2007
43.3 C (109.9 F)
2008
40.0 C (104.0 F)
2009
38.3 C (100.9 F)
2010
37.8 C (100.0 F)
2011
37.8 C (100.0 F)
2012
43.9 C (111.0 F)
2013
39.4 C (102.9 F)
2014
38.3 C (100.9 F)
2015
41.1 C (106.0 F)
2016
40.6 C (105.1 F)
2017
41.7 C (107.1 F)
2018
40.6 C (105.1 F)
2019
37.2 C (99.0 F)
2020
39.4 C (102.9 F)
2021
43.3 C (109.9 F)
2022
40.6 C (105.1 F)
2023
41.1 C (106.0 F)
2024
42.8 C (109.0 F)
2025
40.0 C (104.0 F)
2026
46.1 C (115.0 F)
Coldest night (TNn)
The coldest night of the year at Mizpah 4 NNW, 1949 to 2026. The record is -45.0 C (-49.0 F) in 1989, marked on the chart; the median year is -36.1 C (-33.0 F).
Coldest night (TNn) at Mizpah 4 NNW by year
Year
Coldest night (TNn)
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
-33.3 C (-27.9 F)
1961
-31.1 C (-24.0 F)
1962
-35.6 C (-32.1 F)
1963
-38.3 C (-36.9 F)
1964
-36.7 C (-34.1 F)
1965
-33.3 C (-27.9 F)
1966
-38.3 C (-36.9 F)
1967
-37.8 C (-36.0 F)
1968
-36.7 C (-34.1 F)
1969
-42.8 C (-45.0 F)
1970
-37.2 C (-35.0 F)
1971
-42.8 C (-45.0 F)
1972
-38.3 C (-36.9 F)
1973
-32.2 C (-26.0 F)
1974
-36.1 C (-33.0 F)
1975
-32.8 C (-27.0 F)
1976
-36.1 C (-33.0 F)
1977
-38.3 C (-36.9 F)
1978
-38.3 C (-36.9 F)
1979
-40.0 C (-40.0 F)
1980
-36.1 C (-33.0 F)
1981
-30.6 C (-23.1 F)
1982
-42.8 C (-45.0 F)
1983
-41.7 C (-43.1 F)
1984
-33.9 C (-29.0 F)
1985
-38.9 C (-38.0 F)
1986
-28.3 C (-18.9 F)
1987
-25.0 C (-13.0 F)
1988
-33.9 C (-29.0 F)
1989
-45.0 C (-49.0 F)
1990
-42.2 C (-44.0 F)
1991
-35.6 C (-32.1 F)
1992
-35.0 C (-31.0 F)
1993
-36.1 C (-33.0 F)
1994
-39.4 C (-38.9 F)
1995
-33.9 C (-29.0 F)
1996
-42.8 C (-45.0 F)
1997
-34.4 C (-29.9 F)
1998
-40.6 C (-41.1 F)
1999
-35.0 C (-31.0 F)
2000
-33.9 C (-29.0 F)
2001
-30.0 C (-22.0 F)
2002
-30.6 C (-23.1 F)
2003
-30.0 C (-22.0 F)
2004
-35.6 C (-32.1 F)
2005
-38.3 C (-36.9 F)
2006
-28.9 C (-20.0 F)
2007
-36.1 C (-33.0 F)
2008
-35.0 C (-31.0 F)
2009
-35.6 C (-32.1 F)
2010
-37.2 C (-35.0 F)
2011
-41.1 C (-42.0 F)
2012
-27.2 C (-17.0 F)
2013
-41.1 C (-42.0 F)
2014
-36.7 C (-34.1 F)
2015
-32.8 C (-27.0 F)
2016
-36.7 C (-34.1 F)
2017
-35.6 C (-32.1 F)
2018
-40.6 C (-41.1 F)
2019
-40.0 C (-40.0 F)
2020
-30.6 C (-23.1 F)
2021
-38.9 C (-38.0 F)
2022
-38.3 C (-36.9 F)
2023
-37.2 C (-35.0 F)
2024
-42.8 C (-45.0 F)
2025
-41.7 C (-43.1 F)
2026
-27.2 C (-17.0 F)
Wettest day (Rx1day)
The wettest day of the year at Mizpah 4 NNW, 1949 to 2026. The record is 85.9 mm (3.4 in) in 1999, marked on the chart; the median year is 35.0 mm (1.4 in).
Wettest day (Rx1day) at Mizpah 4 NNW by year
Year
Wettest day (Rx1day)
1949
10.2 mm (0.4 in)
1950
25.4 mm (1.0 in)
1951
35.1 mm (1.4 in)
1952
29.5 mm (1.2 in)
1953
34.3 mm (1.4 in)
1954
24.9 mm (1.0 in)
1955
50.8 mm (2.0 in)
1956
30.5 mm (1.2 in)
1957
48.3 mm (1.9 in)
1958
26.7 mm (1.1 in)
1959
17.8 mm (0.7 in)
1960
18.8 mm (0.7 in)
1961
29.0 mm (1.1 in)
1962
43.2 mm (1.7 in)
1963
30.5 mm (1.2 in)
1964
33.3 mm (1.3 in)
1965
27.4 mm (1.1 in)
1966
24.1 mm (0.9 in)
1967
26.9 mm (1.1 in)
1968
57.7 mm (2.3 in)
1969
51.8 mm (2.0 in)
1970
51.3 mm (2.0 in)
1971
82.6 mm (3.3 in)
1972
31.5 mm (1.2 in)
1973
75.2 mm (3.0 in)
1974
23.4 mm (0.9 in)
1975
72.9 mm (2.9 in)
1976
41.9 mm (1.6 in)
1977
22.4 mm (0.9 in)
1978
34.8 mm (1.4 in)
1979
17.3 mm (0.7 in)
1980
32.8 mm (1.3 in)
1981
21.8 mm (0.9 in)
1982
38.1 mm (1.5 in)
1983
22.4 mm (0.9 in)
1984
39.4 mm (1.6 in)
1985
27.2 mm (1.1 in)
1986
44.5 mm (1.8 in)
1987
31.5 mm (1.2 in)
1988
17.5 mm (0.7 in)
1989
48.5 mm (1.9 in)
1990
23.1 mm (0.9 in)
1991
66.5 mm (2.6 in)
1992
47.2 mm (1.9 in)
1993
54.6 mm (2.1 in)
1994
19.8 mm (0.8 in)
1995
35.6 mm (1.4 in)
1996
32.3 mm (1.3 in)
1997
41.1 mm (1.6 in)
1998
39.9 mm (1.6 in)
1999
85.9 mm (3.4 in)
2000
40.1 mm (1.6 in)
2001
58.7 mm (2.3 in)
2002
26.7 mm (1.1 in)
2003
39.9 mm (1.6 in)
2004
28.7 mm (1.1 in)
2005
52.1 mm (2.1 in)
2006
50.3 mm (2.0 in)
2007
33.8 mm (1.3 in)
2008
47.8 mm (1.9 in)
2009
54.4 mm (2.1 in)
2010
34.0 mm (1.3 in)
2011
79.0 mm (3.1 in)
2012
23.9 mm (0.9 in)
2013
55.9 mm (2.2 in)
2014
31.8 mm (1.3 in)
2015
23.6 mm (0.9 in)
2016
40.1 mm (1.6 in)
2017
40.6 mm (1.6 in)
2018
35.1 mm (1.4 in)
2019
22.6 mm (0.9 in)
2020
27.9 mm (1.1 in)
2021
32.0 mm (1.3 in)
2022
46.7 mm (1.8 in)
2023
38.1 mm (1.5 in)
2024
44.2 mm (1.7 in)
2025
71.6 mm (2.8 in)
2026
46.7 mm (1.8 in)
Wettest five days (Rx5day)
The wettest five days of the year at Mizpah 4 NNW, 1949 to 2026. The record is 119.4 mm (4.7 in) in 2013, marked on the chart; the median year is 56.8 mm (2.2 in).
Wettest five days (Rx5day) at Mizpah 4 NNW by year
Year
Wettest five days (Rx5day)
1949
17.8 mm (0.7 in)
1950
31.8 mm (1.3 in)
1951
48.0 mm (1.9 in)
1952
50.9 mm (2.0 in)
1953
48.5 mm (1.9 in)
1954
39.9 mm (1.6 in)
1955
53.6 mm (2.1 in)
1956
60.5 mm (2.4 in)
1957
67.1 mm (2.6 in)
1958
42.4 mm (1.7 in)
1959
31.3 mm (1.2 in)
1960
35.8 mm (1.4 in)
1961
48.6 mm (1.9 in)
1962
63.5 mm (2.5 in)
1963
65.8 mm (2.6 in)
1964
65.8 mm (2.6 in)
1965
36.8 mm (1.4 in)
1966
25.9 mm (1.0 in)
1967
80.4 mm (3.2 in)
1968
62.5 mm (2.5 in)
1969
77.0 mm (3.0 in)
1970
66.0 mm (2.6 in)
1971
113.8 mm (4.5 in)
1972
43.5 mm (1.7 in)
1973
94.5 mm (3.7 in)
1974
41.2 mm (1.6 in)
1975
94.5 mm (3.7 in)
1976
48.3 mm (1.9 in)
1977
33.3 mm (1.3 in)
1978
55.6 mm (2.2 in)
1979
35.4 mm (1.4 in)
1980
50.5 mm (2.0 in)
1981
38.1 mm (1.5 in)
1982
53.6 mm (2.1 in)
1983
37.6 mm (1.5 in)
1984
57.0 mm (2.2 in)
1985
56.9 mm (2.2 in)
1986
78.7 mm (3.1 in)
1987
65.7 mm (2.6 in)
1988
17.5 mm (0.7 in)
1989
70.1 mm (2.8 in)
1990
49.0 mm (1.9 in)
1991
69.0 mm (2.7 in)
1992
65.2 mm (2.6 in)
1993
77.5 mm (3.1 in)
1994
33.3 mm (1.3 in)
1995
78.8 mm (3.1 in)
1996
58.4 mm (2.3 in)
1997
60.4 mm (2.4 in)
1998
75.4 mm (3.0 in)
1999
94.6 mm (3.7 in)
2000
66.0 mm (2.6 in)
2001
76.0 mm (3.0 in)
2002
27.5 mm (1.1 in)
2003
53.9 mm (2.1 in)
2004
38.1 mm (1.5 in)
2005
65.4 mm (2.6 in)
2006
98.6 mm (3.9 in)
2007
62.8 mm (2.5 in)
2008
67.6 mm (2.7 in)
2009
65.1 mm (2.6 in)
2010
88.5 mm (3.5 in)
2011
110.9 mm (4.4 in)
2012
30.0 mm (1.2 in)
2013
119.4 mm (4.7 in)
2014
44.1 mm (1.7 in)
2015
35.0 mm (1.4 in)
2016
46.7 mm (1.8 in)
2017
45.7 mm (1.8 in)
2018
37.7 mm (1.5 in)
2019
40.4 mm (1.6 in)
2020
38.6 mm (1.5 in)
2021
61.8 mm (2.4 in)
2022
74.7 mm (2.9 in)
2023
53.6 mm (2.1 in)
2024
86.2 mm (3.4 in)
2025
91.2 mm (3.6 in)
2026
56.6 mm (2.2 in)
Longest dry spell (CDD)
The longest dry spell of the year at Mizpah 4 NNW, 1949 to 2026. The record is 86 days in 1956, marked on the chart; the median year is 35 days.
Longest dry spell (CDD) at Mizpah 4 NNW by year
Year
Longest dry spell (CDD)
1949
44 days
1950
61 days
1951
34 days
1952
73 days
1953
57 days
1954
38 days
1955
43 days
1956
86 days
1957
59 days
1958
37 days
1959
33 days
1960
46 days
1961
38 days
1962
31 days
1963
35 days
1964
26 days
1965
42 days
1966
29 days
1967
34 days
1968
25 days
1969
35 days
1970
36 days
1971
57 days
1972
26 days
1973
47 days
1974
64 days
1975
29 days
1976
54 days
1977
42 days
1978
24 days
1979
41 days
1980
44 days
1981
50 days
1982
17 days
1983
27 days
1984
40 days
1985
31 days
1986
34 days
1987
58 days
1988
39 days
1989
24 days
1990
40 days
1991
32 days
1992
51 days
1993
24 days
1994
44 days
1995
40 days
1996
29 days
1997
54 days
1998
20 days
1999
30 days
2000
31 days
2001
38 days
2002
35 days
2003
34 days
2004
33 days
2005
66 days
2006
35 days
2007
44 days
2008
26 days
2009
49 days
2010
20 days
2011
32 days
2012
56 days
2013
21 days
2014
29 days
2015
36 days
2016
22 days
2017
36 days
2018
23 days
2019
17 days
2020
33 days
2021
67 days
2022
27 days
2023
44 days
2024
24 days
2025
24 days
2026
31 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
57 years with a frost
Across 57 years with a frost, the median last spring frost at Mizpah 4 NNW falls on 17 May and the median first autumn frost on 14 September, which leaves a median of 118 days between them.
Fitted over all years, the growing season changes by -0.2 days per decade at this station.
Frost dates and growing season at Mizpah 4 NNW
Measure
Median, all years
Earliest period
Recent period (1991 to 2025)
Recent against earliest
Fitted trend
Last spring frost
17 May
n/a
20 May
n/a
+1.5 days per decade
First autumn frost
14 September
n/a
14 September
n/a
+1.3 days per decade
Growing days
118 days
n/a
115 days
n/a
-0.2 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.
Rainfall Return Levels
73 years, 1950 to 2025
A day with at least 35.7 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 97.4 mm (3.8 in) of rain is expected about once in 100 years.
Rainfall return levels at Mizpah 4 NNW: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
35.7 mm (1.4 in)
5 years
50.2 mm (2.0 in)
10 years
60.5 mm (2.4 in)
25 years
74.5 mm (2.9 in)
50 years
85.7 mm (3.4 in)
100 years
97.4 mm (3.8 in)
Longer than the 73 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 73 years of values from 1950 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 85.9 mm (3.4 in) in 1999; 82.6 mm (3.3 in) in 1971; 79.0 mm (3.1 in) in 2011.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Climate Twins
2008 to 2025 against 1961 to 1990
Over 2008 to 2025, Mizpah 4 NNW had a mean temperature of 7.5 C (45.4 F) and 367.3 mm (14.5 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Newell (United States, 227 km away), Ardmore 1 NW (United States, 384 km away) and Camp Crook (United States, 131 km away).
Climate twins of Mizpah 4 NNW: stations whose 1961 to 1990 climate is closest to its 2008 to 2025 climate
Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.
Download the Data
Data for Mizpah 4 NNW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mizpah 4 NNW 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.