Record envelope, standing records and threshold days for Gallatin 1W (USC00233102), Missouri, United States, with 131 years of record.
Key Facts for Gallatin 1W
Gallatin 1W (USC00233102) is a weather station in Missouri, United States at 39.91 latitude and -93.97 longitude, 281 m (921 ft) above sea level.
The station reports from 1893 to 2023, 131 years of record.
1,464 records set at Gallatin 1W still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Gallatin 1W tied a monthly record high minimum temperature of 25.6 C (78.1 F) on 25 August 2023.
About the Station
Location: Missouri, United States, 39.91 latitude, -93.97 longitude.
Elevation: 281 m (921 ft).
Period of record: 1893 to 2023, 131 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 Gallatin 1W. 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 Gallatin 1W, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.7 C (71.1 F)
-26.7 C (-16.1 F)
n/a
n/a
Feb
24.4 C (75.9 F)
-27.8 C (-18.0 F)
n/a
n/a
Mar
30.0 C (86.0 F)
-24.4 C (-11.9 F)
n/a
n/a
Apr
32.8 C (91.0 F)
-11.7 C (10.9 F)
n/a
n/a
May
36.7 C (98.1 F)
-1.1 C (30.0 F)
n/a
n/a
Jun
37.2 C (99.0 F)
5.6 C (42.1 F)
n/a
n/a
Jul
40.6 C (105.1 F)
10.6 C (51.1 F)
n/a
n/a
Aug
41.1 C (106.0 F)
6.7 C (44.1 F)
n/a
n/a
Sep
36.7 C (98.1 F)
0.0 C (32.0 F)
n/a
n/a
Oct
34.4 C (93.9 F)
-6.1 C (21.0 F)
n/a
n/a
Nov
27.2 C (81.0 F)
-20.0 C (-4.0 F)
n/a
n/a
Dec
22.2 C (72.0 F)
-30.6 C (-23.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Gallatin 1W still stand. 2018 holds the most, with 67.
Standing records at Gallatin 1W by the year they were set
Year set
Standing records
1963
38
1964
50
1965
37
1966
30
1967
4
1980
8
1981
23
1989
54
1990
60
1991
50
1992
59
1993
31
1994
29
1995
25
1996
47
1997
49
1998
40
1999
34
2000
46
2001
29
2002
32
2003
37
2004
29
2005
27
2006
46
2007
35
2008
23
2009
42
2010
25
2011
31
2012
61
2013
22
2014
11
2015
33
2016
29
2017
37
2018
67
2019
39
2020
25
2021
31
2022
30
2023
9
All-Time Record Progression
2 new records
2 all-time records were set at Gallatin 1W between 9 August 1933 and 7 May 2007. Each dot is a new record.
When Gallatin 1W set new all-time records
Date
Kind
Detail
1933-08-09
Record daily precipitation
Record daily precipitation 157.5 mm (6.2 in)
2007-05-07
Record daily precipitation
Record daily precipitation 173.2 mm (6.8 in)
Wettest Day of Each Month
May: 173.2 mm (6.8 in)
The wettest day on record for each calendar month at Gallatin 1W. The most was 173.2 mm (6.8 in) on 7 May 2007.
Record daily precipitation for each month at Gallatin 1W
Month
Record daily precipitation (mm)
Date
Jan
61.0 mm (2.4 in)
29 January 2000
Feb
78.7 mm (3.1 in)
8 February 2001
Mar
52.6 mm (2.1 in)
13 March 1947
Apr
104.1 mm (4.1 in)
10 April 1997
May
173.2 mm (6.8 in)
7 May 2007
Jun
172.7 mm (6.8 in)
25 June 2008
Jul
135.4 mm (5.3 in)
15 July 1958
Aug
157.5 mm (6.2 in)
9 August 1933
Sep
110.0 mm (4.3 in)
9 September 1903
Oct
95.5 mm (3.8 in)
8 October 2018
Nov
73.7 mm (2.9 in)
17 November 1928
Dec
53.8 mm (2.1 in)
11 December 2007
Period of Record Coverage
1963 to 2023
Complete yearUnder 90 percent of days
42 years of record at Gallatin 1W, 1963 to 2023. 17 years have data for under 90 percent of days and are left out of rankings: 1963, 1965, 1966, 1967, 1980, 1981, 1989, 1998 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 23 complete years at Gallatin 1W, 1964 to 2022. Blue stripes are years cooler than the station's own mean of 11.2 C (52.2 F); red stripes are warmer. The coolest year was 1996, at 9.8 C (49.7 F), and the warmest was 2012, at 13.4 C (56.2 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Gallatin 1W as warming stripes, 1964 to 2022
Year
Annual mean temperature
Difference from the station mean
1964
11.9 C
+0.68 C
1990
11.9 C
+0.63 C
1991
11.8 C
+0.58 C
1992
10.9 C
-0.35 C
1993
10.0 C
-1.21 C
1994
11.2 C
-0.08 C
1995
10.8 C
-0.46 C
1996
9.8 C
-1.40 C
1997
10.8 C
-0.48 C
2001
11.6 C
+0.31 C
2005
11.9 C
+0.62 C
2008
10.0 C
-1.20 C
2009
10.8 C
-0.46 C
2010
11.4 C
+0.18 C
2012
13.4 C
+2.20 C
2015
11.4 C
+0.16 C
2016
12.2 C
+1.00 C
2017
12.0 C
+0.71 C
2018
10.9 C
-0.36 C
2019
10.2 C
-1.03 C
2020
11.0 C
-0.28 C
2021
11.9 C
+0.62 C
2022
10.9 C
-0.38 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
1893 to 2023
Yearly extremes at Gallatin 1W: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
41.1 C (106.0 F)
2003
36.7 C (98.1 F)
42
Coldest night (TNn)
-30.6 C (-23.1 F)
1989
-22.2 C (-8.0 F)
42
Wettest day (Rx1day)
173.2 mm (6.8 in)
2007
66.8 mm (2.6 in)
105
Wettest five days (Rx5day)
244.4 mm (9.6 in)
1947
101.4 mm (4.0 in)
105
Longest dry spell (CDD)
57 days
1904
26 days
105
Hottest day (TXx)
The hottest day of the year at Gallatin 1W, 1893 to 2023. The record is 41.1 C (106.0 F) in 2003, marked on the chart; the median year is 36.7 C (98.1 F).
Hottest day (TXx) at Gallatin 1W by year
Year
Hottest day (TXx)
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1909
n/a
1910
n/a
1916
n/a
1917
n/a
1918
n/a
1919
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
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
n/a
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
n/a
1961
n/a
1962
n/a
1963
37.8 C (100.0 F)
1964
37.8 C (100.0 F)
1965
35.6 C (96.1 F)
1966
39.4 C (102.9 F)
1967
31.7 C (89.1 F)
1972
n/a
1980
17.2 C (63.0 F)
1981
37.8 C (100.0 F)
1989
35.6 C (96.1 F)
1990
36.7 C (98.1 F)
1991
39.4 C (102.9 F)
1992
33.3 C (91.9 F)
1993
35.0 C (95.0 F)
1994
35.6 C (96.1 F)
1995
37.8 C (100.0 F)
1996
35.6 C (96.1 F)
1997
37.8 C (100.0 F)
1998
36.1 C (97.0 F)
1999
38.9 C (102.0 F)
2000
36.7 C (98.1 F)
2001
36.1 C (97.0 F)
2002
37.8 C (100.0 F)
2003
41.1 C (106.0 F)
2004
32.2 C (90.0 F)
2005
37.8 C (100.0 F)
2006
38.3 C (100.9 F)
2007
37.8 C (100.0 F)
2008
35.0 C (95.0 F)
2009
35.6 C (96.1 F)
2010
35.6 C (96.1 F)
2011
37.2 C (99.0 F)
2012
40.6 C (105.1 F)
2013
28.9 C (84.0 F)
2014
19.4 C (66.9 F)
2015
36.1 C (97.0 F)
2016
37.2 C (99.0 F)
2017
36.1 C (97.0 F)
2018
39.4 C (102.9 F)
2019
36.1 C (97.0 F)
2020
34.4 C (93.9 F)
2021
36.7 C (98.1 F)
2022
36.7 C (98.1 F)
2023
37.2 C (99.0 F)
Coldest night (TNn)
The coldest night of the year at Gallatin 1W, 1893 to 2023. The record is -30.6 C (-23.1 F) in 1989, marked on the chart; the median year is -22.2 C (-8.0 F).
Coldest night (TNn) at Gallatin 1W by year
Year
Coldest night (TNn)
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1909
n/a
1910
n/a
1916
n/a
1917
n/a
1918
n/a
1919
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
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
n/a
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
n/a
1961
n/a
1962
n/a
1963
-23.9 C (-11.0 F)
1964
-20.6 C (-5.1 F)
1965
-25.0 C (-13.0 F)
1966
-26.7 C (-16.1 F)
1967
-4.4 C (24.1 F)
1972
n/a
1980
-20.6 C (-5.1 F)
1981
-24.4 C (-11.9 F)
1989
-30.6 C (-23.1 F)
1990
-22.2 C (-8.0 F)
1991
-23.3 C (-9.9 F)
1992
-17.2 C (1.0 F)
1993
-21.1 C (-6.0 F)
1994
-21.1 C (-6.0 F)
1995
-20.6 C (-5.1 F)
1996
-27.8 C (-18.0 F)
1997
-25.6 C (-14.1 F)
1998
-24.4 C (-11.9 F)
1999
-26.1 C (-15.0 F)
2000
-22.2 C (-8.0 F)
2001
-26.1 C (-15.0 F)
2002
-19.4 C (-2.9 F)
2003
-22.8 C (-9.0 F)
2004
-22.8 C (-9.0 F)
2005
-20.0 C (-4.0 F)
2006
-18.9 C (-2.0 F)
2007
-20.6 C (-5.1 F)
2008
-22.2 C (-8.0 F)
2009
-23.3 C (-9.9 F)
2010
-24.4 C (-11.9 F)
2011
-21.1 C (-6.0 F)
2012
-15.0 C (5.0 F)
2013
-18.9 C (-2.0 F)
2014
-17.2 C (1.0 F)
2015
-20.6 C (-5.1 F)
2016
-24.4 C (-11.9 F)
2017
-22.2 C (-8.0 F)
2018
-26.7 C (-16.1 F)
2019
-26.1 C (-15.0 F)
2020
-21.7 C (-7.1 F)
2021
-25.0 C (-13.0 F)
2022
-23.3 C (-9.9 F)
2023
-16.7 C (1.9 F)
Wettest day (Rx1day)
The wettest day of the year at Gallatin 1W, 1893 to 2023. The record is 173.2 mm (6.8 in) in 2007, marked on the chart; the median year is 66.8 mm (2.6 in).
Wettest day (Rx1day) at Gallatin 1W by year
Year
Wettest day (Rx1day)
1893
91.4 mm (3.6 in)
1894
50.8 mm (2.0 in)
1895
69.9 mm (2.8 in)
1896
93.2 mm (3.7 in)
1897
78.7 mm (3.1 in)
1898
139.7 mm (5.5 in)
1899
50.8 mm (2.0 in)
1900
66.0 mm (2.6 in)
1901
50.8 mm (2.0 in)
1902
48.0 mm (1.9 in)
1903
110.0 mm (4.3 in)
1904
77.5 mm (3.1 in)
1905
69.9 mm (2.8 in)
1906
40.6 mm (1.6 in)
1907
39.4 mm (1.6 in)
1908
50.8 mm (2.0 in)
1909
63.5 mm (2.5 in)
1910
25.4 mm (1.0 in)
1916
64.8 mm (2.6 in)
1917
106.4 mm (4.2 in)
1918
78.0 mm (3.1 in)
1919
66.5 mm (2.6 in)
1923
16.8 mm (0.7 in)
1924
45.7 mm (1.8 in)
1925
104.1 mm (4.1 in)
1926
62.2 mm (2.4 in)
1927
57.4 mm (2.3 in)
1928
110.0 mm (4.3 in)
1929
125.2 mm (4.9 in)
1930
37.8 mm (1.5 in)
1931
60.2 mm (2.4 in)
1932
101.6 mm (4.0 in)
1933
157.5 mm (6.2 in)
1934
53.3 mm (2.1 in)
1935
76.2 mm (3.0 in)
1936
68.6 mm (2.7 in)
1937
77.5 mm (3.1 in)
1938
38.1 mm (1.5 in)
1939
63.8 mm (2.5 in)
1940
55.9 mm (2.2 in)
1941
46.2 mm (1.8 in)
1942
69.6 mm (2.7 in)
1943
51.1 mm (2.0 in)
1944
62.2 mm (2.4 in)
1945
65.8 mm (2.6 in)
1946
48.5 mm (1.9 in)
1947
93.2 mm (3.7 in)
1948
41.4 mm (1.6 in)
1949
100.1 mm (3.9 in)
1950
61.5 mm (2.4 in)
1951
72.9 mm (2.9 in)
1952
52.6 mm (2.1 in)
1953
50.3 mm (2.0 in)
1954
84.6 mm (3.3 in)
1955
61.7 mm (2.4 in)
1956
113.8 mm (4.5 in)
1957
44.7 mm (1.8 in)
1958
135.4 mm (5.3 in)
1959
68.1 mm (2.7 in)
1960
143.5 mm (5.6 in)
1961
67.8 mm (2.7 in)
1962
79.0 mm (3.1 in)
1963
80.0 mm (3.1 in)
1964
73.9 mm (2.9 in)
1965
88.1 mm (3.5 in)
1966
81.8 mm (3.2 in)
1967
107.4 mm (4.2 in)
1972
66.8 mm (2.6 in)
1980
51.1 mm (2.0 in)
1981
45.2 mm (1.8 in)
1989
60.5 mm (2.4 in)
1990
39.9 mm (1.6 in)
1991
56.1 mm (2.2 in)
1992
70.6 mm (2.8 in)
1993
128.5 mm (5.1 in)
1994
57.2 mm (2.3 in)
1995
90.7 mm (3.6 in)
1996
72.4 mm (2.9 in)
1997
104.1 mm (4.1 in)
1998
62.0 mm (2.4 in)
1999
61.2 mm (2.4 in)
2000
61.0 mm (2.4 in)
2001
78.7 mm (3.1 in)
2002
49.0 mm (1.9 in)
2003
57.2 mm (2.3 in)
2004
50.8 mm (2.0 in)
2005
64.8 mm (2.6 in)
2006
63.0 mm (2.5 in)
2007
173.2 mm (6.8 in)
2008
172.7 mm (6.8 in)
2009
82.6 mm (3.3 in)
2010
121.2 mm (4.8 in)
2011
74.9 mm (2.9 in)
2012
61.2 mm (2.4 in)
2013
52.6 mm (2.1 in)
2014
106.2 mm (4.2 in)
2015
69.9 mm (2.8 in)
2016
159.8 mm (6.3 in)
2017
63.0 mm (2.5 in)
2018
95.5 mm (3.8 in)
2019
86.6 mm (3.4 in)
2020
51.1 mm (2.0 in)
2021
129.3 mm (5.1 in)
2022
61.5 mm (2.4 in)
2023
89.2 mm (3.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Gallatin 1W, 1893 to 2023. The record is 244.4 mm (9.6 in) in 1947, marked on the chart; the median year is 101.4 mm (4.0 in).
Wettest five days (Rx5day) at Gallatin 1W by year
Year
Wettest five days (Rx5day)
1893
102.1 mm (4.0 in)
1894
50.8 mm (2.0 in)
1895
117.8 mm (4.6 in)
1896
120.6 mm (4.7 in)
1897
86.9 mm (3.4 in)
1898
139.7 mm (5.5 in)
1899
88.9 mm (3.5 in)
1900
105.9 mm (4.2 in)
1901
57.7 mm (2.3 in)
1902
91.2 mm (3.6 in)
1903
171.3 mm (6.7 in)
1904
105.9 mm (4.2 in)
1905
160.1 mm (6.3 in)
1906
48.7 mm (1.9 in)
1907
91.0 mm (3.6 in)
1908
66.3 mm (2.6 in)
1909
98.3 mm (3.9 in)
1910
30.5 mm (1.2 in)
1916
64.8 mm (2.6 in)
1917
119.6 mm (4.7 in)
1918
81.8 mm (3.2 in)
1919
105.7 mm (4.2 in)
1923
16.8 mm (0.7 in)
1924
99.1 mm (3.9 in)
1925
142.3 mm (5.6 in)
1926
174.0 mm (6.9 in)
1927
88.1 mm (3.5 in)
1928
206.0 mm (8.1 in)
1929
186.2 mm (7.3 in)
1930
57.4 mm (2.3 in)
1931
145.0 mm (5.7 in)
1932
128.1 mm (5.0 in)
1933
160.0 mm (6.3 in)
1934
119.4 mm (4.7 in)
1935
102.7 mm (4.0 in)
1936
106.7 mm (4.2 in)
1937
101.4 mm (4.0 in)
1938
69.9 mm (2.8 in)
1939
109.0 mm (4.3 in)
1940
92.7 mm (3.6 in)
1941
69.3 mm (2.7 in)
1942
91.7 mm (3.6 in)
1943
119.9 mm (4.7 in)
1944
86.1 mm (3.4 in)
1945
95.0 mm (3.7 in)
1946
68.3 mm (2.7 in)
1947
244.4 mm (9.6 in)
1948
88.0 mm (3.5 in)
1949
108.5 mm (4.3 in)
1950
75.5 mm (3.0 in)
1951
100.7 mm (4.0 in)
1952
88.3 mm (3.5 in)
1953
77.7 mm (3.1 in)
1954
112.5 mm (4.4 in)
1955
101.8 mm (4.0 in)
1956
130.8 mm (5.1 in)
1957
73.2 mm (2.9 in)
1958
238.1 mm (9.4 in)
1959
94.8 mm (3.7 in)
1960
146.0 mm (5.7 in)
1961
108.7 mm (4.3 in)
1962
99.6 mm (3.9 in)
1963
80.0 mm (3.1 in)
1964
132.3 mm (5.2 in)
1965
139.2 mm (5.5 in)
1966
81.8 mm (3.2 in)
1967
123.4 mm (4.9 in)
1972
110.2 mm (4.3 in)
1980
102.9 mm (4.1 in)
1981
160.2 mm (6.3 in)
1989
98.1 mm (3.9 in)
1990
73.0 mm (2.9 in)
1991
74.7 mm (2.9 in)
1992
130.3 mm (5.1 in)
1993
177.1 mm (7.0 in)
1994
80.8 mm (3.2 in)
1995
122.7 mm (4.8 in)
1996
94.0 mm (3.7 in)
1997
98.0 mm (3.9 in)
1998
81.5 mm (3.2 in)
1999
87.8 mm (3.5 in)
2000
76.2 mm (3.0 in)
2001
184.2 mm (7.3 in)
2002
67.3 mm (2.6 in)
2003
106.7 mm (4.2 in)
2004
115.8 mm (4.6 in)
2005
86.7 mm (3.4 in)
2006
69.6 mm (2.7 in)
2007
180.1 mm (7.1 in)
2008
187.5 mm (7.4 in)
2009
157.0 mm (6.2 in)
2010
163.7 mm (6.4 in)
2011
87.8 mm (3.5 in)
2012
83.5 mm (3.3 in)
2013
70.9 mm (2.8 in)
2014
108.7 mm (4.3 in)
2015
98.6 mm (3.9 in)
2016
179.1 mm (7.1 in)
2017
79.3 mm (3.1 in)
2018
205.2 mm (8.1 in)
2019
126.6 mm (5.0 in)
2020
100.7 mm (4.0 in)
2021
148.1 mm (5.8 in)
2022
64.0 mm (2.5 in)
2023
141.1 mm (5.6 in)
Longest dry spell (CDD)
The longest dry spell of the year at Gallatin 1W, 1893 to 2023. The record is 57 days in 1904, marked on the chart; the median year is 26 days.
Longest dry spell (CDD) at Gallatin 1W by year
Year
Longest dry spell (CDD)
1893
18 days
1894
16 days
1895
29 days
1896
24 days
1897
23 days
1898
18 days
1899
26 days
1900
24 days
1901
31 days
1902
32 days
1903
28 days
1904
57 days
1905
26 days
1906
32 days
1907
22 days
1908
31 days
1909
27 days
1910
17 days
1916
33 days
1917
48 days
1918
29 days
1919
38 days
1923
12 days
1924
21 days
1925
26 days
1926
27 days
1927
33 days
1928
37 days
1929
18 days
1930
25 days
1931
19 days
1932
18 days
1933
26 days
1934
28 days
1935
26 days
1936
23 days
1937
24 days
1938
24 days
1939
34 days
1940
27 days
1941
27 days
1942
31 days
1943
26 days
1944
26 days
1945
24 days
1946
22 days
1947
29 days
1948
30 days
1949
27 days
1950
31 days
1951
19 days
1952
48 days
1953
28 days
1954
46 days
1955
27 days
1956
37 days
1957
28 days
1958
36 days
1959
26 days
1960
25 days
1961
17 days
1962
23 days
1963
19 days
1964
41 days
1965
16 days
1966
28 days
1967
24 days
1972
6 days
1980
14 days
1981
31 days
1989
43 days
1990
29 days
1991
27 days
1992
23 days
1993
20 days
1994
32 days
1995
28 days
1996
32 days
1997
24 days
1998
21 days
1999
21 days
2000
29 days
2001
24 days
2002
38 days
2003
14 days
2004
25 days
2005
21 days
2006
34 days
2007
29 days
2008
16 days
2009
16 days
2010
28 days
2011
23 days
2012
24 days
2013
15 days
2014
11 days
2015
25 days
2016
29 days
2017
34 days
2018
18 days
2019
18 days
2020
18 days
2021
25 days
2022
17 days
2023
27 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 Gallatin 1W falls on 17 April and the median first autumn frost on 19 October, which leaves a median of 185 days between them.
Frost dates and growing season at Gallatin 1W
Measure
Median, all years
Earliest period
Recent period (1964 to 2022)
Recent against earliest
Fitted trend
Last spring frost
17 April
n/a
17 April
n/a
n/a
First autumn frost
19 October
n/a
19 October
n/a
n/a
Growing days
185 days
n/a
185 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.
Rainfall Return Levels
68 years, 1896 to 2022
A day with at least 71.1 mm (2.8 in) of rain is expected about once in 2 years. A day with at least 209.2 mm (8.2 in) of rain is expected about once in 100 years.
Rainfall return levels at Gallatin 1W: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
71.1 mm (2.8 in)
5 years
98.6 mm (3.9 in)
10 years
120.0 mm (4.7 in)
25 years
151.6 mm (6.0 in)
50 years
178.7 mm (7.0 in)
100 years
209.2 mm (8.2 in)
Longer than the 68 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, 68 years of values from 1896 to 2022.
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: 173.2 mm (6.8 in) in 2007; 172.7 mm (6.8 in) in 2008; 159.8 mm (6.3 in) in 2016.
Download the Data
Data for Gallatin 1W standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Gallatin 1W 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.