Record envelope, standing records and threshold days for Somerset (USC00437401), Vermont, United States, with 58 years of record.
Key Facts for Somerset
Somerset (USC00437401) is a weather station in Vermont, United States at 42.97 latitude and -72.95 longitude, 634 m (2,080 ft) above sea level.
The station reports from 1911 to 1968, 58 years of record.
1,464 records set at Somerset still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Somerset tied a daily record low minimum temperature of 0.0 C (32.0 F) on 29 August 1968.
About the Station
Location: Vermont, United States, 42.97 latitude, -72.95 longitude.
Elevation: 634 m (2,080 ft).
Period of record: 1911 to 1968, 58 years.
Eligible elements: tmax, tmin, prcp, snow.
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 Somerset. 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 Somerset, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
17.2 C (63.0 F)
-35.0 C (-31.0 F)
n/a
n/a
Feb
15.6 C (60.1 F)
-39.4 C (-38.9 F)
n/a
n/a
Mar
26.1 C (79.0 F)
-35.0 C (-31.0 F)
n/a
n/a
Apr
30.0 C (86.0 F)
-20.6 C (-5.1 F)
n/a
n/a
May
33.9 C (93.0 F)
-7.8 C (18.0 F)
n/a
n/a
Jun
36.7 C (98.1 F)
-6.7 C (19.9 F)
n/a
n/a
Jul
36.7 C (98.1 F)
-1.1 C (30.0 F)
n/a
n/a
Aug
35.6 C (96.1 F)
-4.4 C (24.1 F)
n/a
n/a
Sep
35.6 C (96.1 F)
-8.3 C (17.1 F)
n/a
n/a
Oct
32.2 C (90.0 F)
-13.9 C (7.0 F)
n/a
n/a
Nov
22.8 C (73.0 F)
-24.4 C (-11.9 F)
n/a
n/a
Dec
17.2 C (63.0 F)
-37.8 C (-36.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Somerset still stand. 1921 holds the most, with 90.
Standing records at Somerset by the year they were set
Year set
Standing records
1912
25
1913
35
1914
45
1915
42
1916
23
1917
25
1918
30
1919
36
1920
52
1921
90
1922
16
1923
26
1924
30
1925
35
1926
38
1927
22
1928
32
1929
33
1930
18
1931
21
1932
24
1933
29
1934
34
1935
16
1936
32
1937
19
1938
26
1939
16
1940
22
1941
14
1942
25
1943
35
1944
15
1945
27
1946
26
1947
20
1948
24
1949
21
1950
23
1951
16
1952
10
1953
13
1954
25
1955
13
1956
31
1957
24
1958
15
1959
19
1960
14
1961
26
1962
23
1963
17
1964
23
1965
25
1966
15
1967
18
1968
15
All-Time Record Progression
1 new records
1 all-time records were set at Somerset between 16 February 1943 and 16 February 1943. Each dot is a new record.
When Somerset set new all-time records
Date
Kind
Detail
1943-02-16
Record low minimum temperature
Record low minimum temperature -39.4 C (-38.9 F)
Wettest Day of Each Month
Sep: 125.2 mm (4.9 in)
The wettest day on record for each calendar month at Somerset. The most was 125.2 mm (4.9 in) on 2 September 1940.
Record daily precipitation for each month at Somerset
Month
Record daily precipitation (mm)
Date
Jan
65.0 mm (2.6 in)
22 January 1959
Feb
92.5 mm (3.6 in)
6 February 1920
Mar
65.5 mm (2.6 in)
17 March 1956
Apr
76.7 mm (3.0 in)
25 April 1968
May
65.8 mm (2.6 in)
29 May 1940
Jun
72.6 mm (2.9 in)
20 June 1934
Jul
91.4 mm (3.6 in)
7 July 1935
Aug
96.8 mm (3.8 in)
14 August 1955
Sep
125.2 mm (4.9 in)
2 September 1940
Oct
120.1 mm (4.7 in)
23 October 1912
Nov
99.3 mm (3.9 in)
26 November 1950
Dec
125.0 mm (4.9 in)
31 December 1948
Period of Record Coverage
1911 to 1968
Complete yearUnder 90 percent of days
58 years of record at Somerset, 1911 to 1968. 6 years have data for under 90 percent of days and are left out of rankings: 1911, 1914, 1924, 1926, 1931, 1968.
Cooler than the station meanWarmer than the station mean
One stripe for each of 47 complete years at Somerset, 1912 to 1967. Blue stripes are years cooler than the station's own mean of 4.3 C (39.7 F); red stripes are warmer. The coolest year was 1920, at 2.2 C (35.9 F), and the warmest was 1915, at 6.7 C (44.0 F). The strongest colour marks a difference of 2.4 C (4.3 F).
Annual mean temperature at Somerset as warming stripes, 1912 to 1967
Year
Annual mean temperature
Difference from the station mean
1912
4.7 C
+0.40 C
1913
6.2 C
+1.91 C
1915
6.7 C
+2.40 C
1916
4.3 C
+0.08 C
1917
2.9 C
-1.38 C
1918
3.8 C
-0.44 C
1919
3.7 C
-0.58 C
1920
2.2 C
-2.09 C
1925
2.9 C
-1.31 C
1927
3.7 C
-0.60 C
1928
3.3 C
-1.00 C
1929
4.6 C
+0.31 C
1932
4.6 C
+0.33 C
1933
5.1 C
+0.82 C
1934
4.5 C
+0.27 C
1935
4.3 C
+0.04 C
1936
4.5 C
+0.20 C
1937
4.7 C
+0.44 C
1938
5.1 C
+0.80 C
1939
4.4 C
+0.12 C
1941
4.5 C
+0.23 C
1942
4.4 C
+0.11 C
1943
3.4 C
-0.89 C
1944
3.7 C
-0.51 C
1945
4.1 C
-0.11 C
1946
4.7 C
+0.47 C
1947
4.2 C
-0.07 C
1948
4.0 C
-0.22 C
1949
5.6 C
+1.37 C
1950
4.1 C
-0.18 C
1951
4.5 C
+0.21 C
1952
4.6 C
+0.34 C
1953
5.5 C
+1.23 C
1954
4.5 C
+0.29 C
1955
4.3 C
+0.08 C
1956
3.8 C
-0.49 C
1957
4.8 C
+0.56 C
1958
3.3 C
-0.92 C
1959
4.8 C
+0.54 C
1960
4.1 C
-0.11 C
1961
4.6 C
+0.30 C
1962
3.4 C
-0.84 C
1963
3.6 C
-0.67 C
1964
4.2 C
-0.07 C
1965
3.8 C
-0.49 C
1966
3.9 C
-0.32 C
1967
3.9 C
-0.36 C
The fitted trend in annual mean temperature here over 1912 to 1967 is -0.03 C (-0.18 to 0.12) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.1 F (-0.3 to 0.2) per decade. The slope is a straight line fitted to 47 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Somerset
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
-0.03 C (-0.18 to 0.12) per decade
-0.1 F (-0.3 to 0.2) per decade
1912 to 1967
47
Not clearly different from zero
Mean daily maximum
0.1 C (-0.1 to 0.2) per decade
0.1 F (-0.3 to 0.4) per decade
1912 to 1967
47
Not clearly different from zero
Mean daily minimum
-0.1 C (-0.3 to 0.1) per decade
-0.2 F (-0.5 to 0.1) per decade
1912 to 1967
47
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
1911 to 1968
Yearly extremes at Somerset: 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)
1921
30.6 C (87.1 F)
58
Coldest night (TNn)
-39.4 C (-38.9 F)
1943
-30.6 C (-23.1 F)
58
Wettest day (Rx1day)
125.2 mm (4.9 in)
1940
62.6 mm (2.5 in)
58
Wettest five days (Rx5day)
240.9 mm (9.5 in)
1949
97.1 mm (3.8 in)
58
Longest dry spell (CDD)
26 days
1964
14 days
58
Hottest day (TXx)
The hottest day of the year at Somerset, 1911 to 1968. The record is 36.7 C (98.1 F) in 1921, marked on the chart; the median year is 30.6 C (87.1 F).
Hottest day (TXx) at Somerset by year
Year
Hottest day (TXx)
1911
5.0 C (41.0 F)
1912
32.2 C (90.0 F)
1913
32.8 C (91.0 F)
1914
30.6 C (87.1 F)
1915
30.6 C (87.1 F)
1916
32.2 C (90.0 F)
1917
34.4 C (93.9 F)
1918
31.1 C (88.0 F)
1919
33.3 C (91.9 F)
1920
30.0 C (86.0 F)
1921
36.7 C (98.1 F)
1922
32.8 C (91.0 F)
1923
30.0 C (86.0 F)
1924
33.3 C (91.9 F)
1925
31.1 C (88.0 F)
1926
33.3 C (91.9 F)
1927
27.8 C (82.0 F)
1928
27.8 C (82.0 F)
1929
30.0 C (86.0 F)
1930
28.9 C (84.0 F)
1931
31.7 C (89.1 F)
1932
30.6 C (87.1 F)
1933
33.9 C (93.0 F)
1934
32.2 C (90.0 F)
1935
32.2 C (90.0 F)
1936
32.2 C (90.0 F)
1937
30.6 C (87.1 F)
1938
30.0 C (86.0 F)
1939
31.7 C (89.1 F)
1940
29.4 C (84.9 F)
1941
30.0 C (86.0 F)
1942
29.4 C (84.9 F)
1943
30.0 C (86.0 F)
1944
31.1 C (88.0 F)
1945
32.2 C (90.0 F)
1946
32.2 C (90.0 F)
1947
32.8 C (91.0 F)
1948
32.2 C (90.0 F)
1949
31.7 C (89.1 F)
1950
28.9 C (84.0 F)
1951
27.8 C (82.0 F)
1952
31.1 C (88.0 F)
1953
32.2 C (90.0 F)
1954
29.4 C (84.9 F)
1955
30.6 C (87.1 F)
1956
29.4 C (84.9 F)
1957
31.7 C (89.1 F)
1958
27.8 C (82.0 F)
1959
28.9 C (84.0 F)
1960
29.4 C (84.9 F)
1961
28.3 C (82.9 F)
1962
30.6 C (87.1 F)
1963
30.6 C (87.1 F)
1964
30.0 C (86.0 F)
1965
29.4 C (84.9 F)
1966
30.0 C (86.0 F)
1967
29.4 C (84.9 F)
1968
30.0 C (86.0 F)
Coldest night (TNn)
The coldest night of the year at Somerset, 1911 to 1968. The record is -39.4 C (-38.9 F) in 1943, marked on the chart; the median year is -30.6 C (-23.1 F).
Coldest night (TNn) at Somerset by year
Year
Coldest night (TNn)
1911
-18.3 C (-0.9 F)
1912
-34.4 C (-29.9 F)
1913
-28.9 C (-20.0 F)
1914
-37.8 C (-36.0 F)
1915
-26.7 C (-16.1 F)
1916
-27.2 C (-17.0 F)
1917
-33.9 C (-29.0 F)
1918
-35.0 C (-31.0 F)
1919
-27.8 C (-18.0 F)
1920
-30.6 C (-23.1 F)
1921
-26.7 C (-16.1 F)
1922
-31.1 C (-24.0 F)
1923
-30.6 C (-23.1 F)
1924
-32.8 C (-27.0 F)
1925
-33.3 C (-27.9 F)
1926
-31.7 C (-25.1 F)
1927
-28.9 C (-20.0 F)
1928
-28.3 C (-18.9 F)
1929
-28.3 C (-18.9 F)
1930
-28.9 C (-20.0 F)
1931
-33.3 C (-27.9 F)
1932
-30.6 C (-23.1 F)
1933
-33.9 C (-29.0 F)
1934
-35.6 C (-32.1 F)
1935
-31.1 C (-24.0 F)
1936
-30.0 C (-22.0 F)
1937
-25.0 C (-13.0 F)
1938
-32.8 C (-27.0 F)
1939
-28.9 C (-20.0 F)
1940
-29.4 C (-20.9 F)
1941
-28.9 C (-20.0 F)
1942
-33.3 C (-27.9 F)
1943
-39.4 C (-38.9 F)
1944
-29.4 C (-20.9 F)
1945
-29.4 C (-20.9 F)
1946
-27.8 C (-18.0 F)
1947
-25.0 C (-13.0 F)
1948
-32.2 C (-26.0 F)
1949
-30.0 C (-22.0 F)
1950
-32.8 C (-27.0 F)
1951
-30.6 C (-23.1 F)
1952
-28.3 C (-18.9 F)
1953
-23.9 C (-11.0 F)
1954
-31.1 C (-24.0 F)
1955
-27.8 C (-18.0 F)
1956
-31.1 C (-24.0 F)
1957
-35.0 C (-31.0 F)
1958
-32.2 C (-26.0 F)
1959
-26.1 C (-15.0 F)
1960
-28.3 C (-18.9 F)
1961
-32.2 C (-26.0 F)
1962
-28.9 C (-20.0 F)
1963
-32.2 C (-26.0 F)
1964
-31.7 C (-25.1 F)
1965
-27.2 C (-17.0 F)
1966
-28.3 C (-18.9 F)
1967
-31.7 C (-25.1 F)
1968
-31.1 C (-24.0 F)
Wettest day (Rx1day)
The wettest day of the year at Somerset, 1911 to 1968. The record is 125.2 mm (4.9 in) in 1940, marked on the chart; the median year is 62.6 mm (2.5 in).
Wettest day (Rx1day) at Somerset by year
Year
Wettest day (Rx1day)
1911
38.9 mm (1.5 in)
1912
120.1 mm (4.7 in)
1913
92.5 mm (3.6 in)
1914
49.5 mm (1.9 in)
1915
71.6 mm (2.8 in)
1916
54.1 mm (2.1 in)
1917
49.0 mm (1.9 in)
1918
63.2 mm (2.5 in)
1919
62.0 mm (2.4 in)
1920
92.5 mm (3.6 in)
1921
45.5 mm (1.8 in)
1922
45.7 mm (1.8 in)
1923
69.9 mm (2.8 in)
1924
75.9 mm (3.0 in)
1925
43.7 mm (1.7 in)
1926
42.9 mm (1.7 in)
1927
64.8 mm (2.6 in)
1928
61.2 mm (2.4 in)
1929
64.5 mm (2.5 in)
1930
36.6 mm (1.4 in)
1931
62.0 mm (2.4 in)
1932
49.8 mm (2.0 in)
1933
55.6 mm (2.2 in)
1934
84.8 mm (3.3 in)
1935
91.4 mm (3.6 in)
1936
63.5 mm (2.5 in)
1937
53.3 mm (2.1 in)
1938
79.8 mm (3.1 in)
1939
85.1 mm (3.4 in)
1940
125.2 mm (4.9 in)
1941
102.9 mm (4.1 in)
1942
62.0 mm (2.4 in)
1943
96.5 mm (3.8 in)
1944
54.6 mm (2.1 in)
1945
56.4 mm (2.2 in)
1946
45.7 mm (1.8 in)
1947
55.6 mm (2.2 in)
1948
125.0 mm (4.9 in)
1949
51.1 mm (2.0 in)
1950
99.3 mm (3.9 in)
1951
99.8 mm (3.9 in)
1952
83.1 mm (3.3 in)
1953
56.6 mm (2.2 in)
1954
75.9 mm (3.0 in)
1955
96.8 mm (3.8 in)
1956
65.5 mm (2.6 in)
1957
46.5 mm (1.8 in)
1958
45.2 mm (1.8 in)
1959
65.0 mm (2.6 in)
1960
101.1 mm (4.0 in)
1961
44.5 mm (1.8 in)
1962
41.7 mm (1.6 in)
1963
53.1 mm (2.1 in)
1964
34.0 mm (1.3 in)
1965
67.6 mm (2.7 in)
1966
64.3 mm (2.5 in)
1967
42.2 mm (1.7 in)
1968
76.7 mm (3.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Somerset, 1911 to 1968. The record is 240.9 mm (9.5 in) in 1949, marked on the chart; the median year is 97.1 mm (3.8 in).
Wettest five days (Rx5day) at Somerset by year
Year
Wettest five days (Rx5day)
1911
48.6 mm (1.9 in)
1912
77.7 mm (3.1 in)
1913
118.9 mm (4.7 in)
1914
58.5 mm (2.3 in)
1915
107.4 mm (4.2 in)
1916
66.3 mm (2.6 in)
1917
82.5 mm (3.2 in)
1918
68.1 mm (2.7 in)
1919
88.0 mm (3.5 in)
1920
113.0 mm (4.4 in)
1921
118.1 mm (4.6 in)
1922
71.6 mm (2.8 in)
1923
65.1 mm (2.6 in)
1924
54.5 mm (2.1 in)
1925
80.3 mm (3.2 in)
1926
53.3 mm (2.1 in)
1927
47.4 mm (1.9 in)
1928
59.1 mm (2.3 in)
1929
98.6 mm (3.9 in)
1930
75.6 mm (3.0 in)
1931
132.6 mm (5.2 in)
1932
89.9 mm (3.5 in)
1933
121.1 mm (4.8 in)
1934
98.3 mm (3.9 in)
1935
142.0 mm (5.6 in)
1936
120.4 mm (4.7 in)
1937
100.6 mm (4.0 in)
1938
203.3 mm (8.0 in)
1939
100.2 mm (3.9 in)
1940
151.7 mm (6.0 in)
1941
105.4 mm (4.1 in)
1942
81.6 mm (3.2 in)
1943
106.2 mm (4.2 in)
1944
106.7 mm (4.2 in)
1945
85.1 mm (3.4 in)
1946
84.6 mm (3.3 in)
1947
98.1 mm (3.9 in)
1948
186.0 mm (7.3 in)
1949
240.9 mm (9.5 in)
1950
144.7 mm (5.7 in)
1951
133.5 mm (5.3 in)
1952
97.0 mm (3.8 in)
1953
104.1 mm (4.1 in)
1954
102.3 mm (4.0 in)
1955
202.5 mm (8.0 in)
1956
99.9 mm (3.9 in)
1957
81.6 mm (3.2 in)
1958
66.8 mm (2.6 in)
1959
90.6 mm (3.6 in)
1960
172.7 mm (6.8 in)
1961
99.0 mm (3.9 in)
1962
84.9 mm (3.3 in)
1963
89.1 mm (3.5 in)
1964
74.9 mm (2.9 in)
1965
73.7 mm (2.9 in)
1966
87.9 mm (3.5 in)
1967
79.5 mm (3.1 in)
1968
97.1 mm (3.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Somerset, 1911 to 1968. The record is 26 days in 1964, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at Somerset by year
Year
Longest dry spell (CDD)
1911
12 days
1912
18 days
1913
14 days
1914
16 days
1915
23 days
1916
11 days
1917
19 days
1918
12 days
1919
13 days
1920
13 days
1921
12 days
1922
21 days
1923
8 days
1924
6 days
1925
6 days
1926
7 days
1927
5 days
1928
2 days
1929
14 days
1930
13 days
1931
12 days
1932
18 days
1933
10 days
1934
12 days
1935
15 days
1936
13 days
1937
8 days
1938
18 days
1939
13 days
1940
21 days
1941
18 days
1942
11 days
1943
14 days
1944
18 days
1945
9 days
1946
15 days
1947
19 days
1948
20 days
1949
20 days
1950
16 days
1951
15 days
1952
16 days
1953
25 days
1954
13 days
1955
14 days
1956
14 days
1957
15 days
1958
12 days
1959
8 days
1960
18 days
1961
14 days
1962
17 days
1963
15 days
1964
26 days
1965
12 days
1966
19 days
1967
13 days
1968
18 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
47 years with a frost
Across 47 years with a frost, the median last spring frost at Somerset falls on 8 June and the median first autumn frost on 8 September, which leaves a median of 86 days between them.
Fitted over all years, the growing season changes by -0.4 days per decade at this station.
Frost dates and growing season at Somerset
Measure
Median, all years
Earliest period
Recent period (1937 to 1967)
Recent against earliest
Fitted trend
Last spring frost
8 June
n/a
7 June
n/a
+0.2 days per decade
First autumn frost
8 September
n/a
8 September
n/a
-0.2 days per decade
Growing days
86 days
n/a
91 days
n/a
-0.4 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.
Rainfall Return Levels
39 years, 1915 to 1967
A day with at least 62.2 mm (2.4 in) of rain is expected about once in 2 years. A day with at least 156.4 mm (6.2 in) of rain is expected about once in 100 years.
Rainfall return levels at Somerset: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
62.2 mm (2.4 in)
5 years
83.3 mm (3.3 in)
10 years
98.8 mm (3.9 in)
25 years
120.3 mm (4.7 in)
50 years
137.7 mm (5.4 in)
Longer than the 39 years of record
100 years
156.4 mm (6.2 in)
Longer than the 39 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, 39 years of values from 1915 to 1967.
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: 125.2 mm (4.9 in) in 1940; 125.0 mm (4.9 in) in 1948; 102.9 mm (4.1 in) in 1941.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Somerset standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Somerset 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.