Record envelope, standing records and threshold days for Mt Wachuset (USC00195077), Massachusetts, United States, with 64 years of record.
Key Facts for Mt Wachuset
Mt Wachuset (USC00195077) is a weather station in Massachusetts, United States at 42.48 latitude and -71.88 longitude, 610 m (2,001 ft) above sea level.
The station reports from 1895 to 1958, 64 years of record.
0 records set at Mt Wachuset still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Mt Wachuset set a daily record precipitation of 38.4 mm (1.5 in) on 7 April 1958.
About the Station
Location: Massachusetts, United States, 42.48 latitude, -71.88 longitude.
Elevation: 610 m (2,001 ft).
Period of record: 1895 to 1958, 64 years.
Eligible elements: prcp.
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 Mt Wachuset. 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 Mt Wachuset, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
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n/a
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Which Years Hold Standing Records
0 standing records
0 records at Mt Wachuset still stand.
Standing records at Mt Wachuset by the year they were set
Year set
Standing records
Wettest Day of Each Month
Sep: 237.0 mm (9.3 in)
The wettest day on record for each calendar month at Mt Wachuset. The most was 237.0 mm (9.3 in) on 21 September 1938.
Record daily precipitation for each month at Mt Wachuset
Yearly extremes at Mt Wachuset: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
237.0 mm (9.3 in)
1938
71.1 mm (2.8 in)
48
Wettest five days (Rx5day)
242.1 mm (9.5 in)
1933
82.2 mm (3.2 in)
48
Longest dry spell (CDD)
33 days
1952
16 days
48
Wettest day (Rx1day)
The wettest day of the year at Mt Wachuset, 1895 to 1958. The record is 237.0 mm (9.3 in) in 1938, marked on the chart; the median year is 71.1 mm (2.8 in).
Wettest day (Rx1day) at Mt Wachuset by year
Year
Wettest day (Rx1day)
1895
159.8 mm (6.3 in)
1896
71.6 mm (2.8 in)
1897
30.5 mm (1.2 in)
1913
88.9 mm (3.5 in)
1914
26.7 mm (1.1 in)
1915
110.7 mm (4.4 in)
1916
75.2 mm (3.0 in)
1917
63.5 mm (2.5 in)
1918
66.0 mm (2.6 in)
1919
111.8 mm (4.4 in)
1920
105.4 mm (4.1 in)
1921
101.6 mm (4.0 in)
1922
101.6 mm (4.0 in)
1923
41.9 mm (1.6 in)
1924
17.5 mm (0.7 in)
1926
29.7 mm (1.2 in)
1927
63.8 mm (2.5 in)
1928
66.0 mm (2.6 in)
1929
41.4 mm (1.6 in)
1930
40.6 mm (1.6 in)
1931
149.1 mm (5.9 in)
1932
172.2 mm (6.8 in)
1933
235.7 mm (9.3 in)
1934
121.4 mm (4.8 in)
1935
85.9 mm (3.4 in)
1936
76.7 mm (3.0 in)
1937
70.6 mm (2.8 in)
1938
237.0 mm (9.3 in)
1939
83.8 mm (3.3 in)
1940
56.4 mm (2.2 in)
1941
57.4 mm (2.3 in)
1942
58.7 mm (2.3 in)
1943
74.4 mm (2.9 in)
1944
182.4 mm (7.2 in)
1945
50.8 mm (2.0 in)
1946
95.8 mm (3.8 in)
1947
72.9 mm (2.9 in)
1948
73.9 mm (2.9 in)
1949
40.6 mm (1.6 in)
1950
50.3 mm (2.0 in)
1951
55.4 mm (2.2 in)
1952
53.1 mm (2.1 in)
1953
88.9 mm (3.5 in)
1954
117.6 mm (4.6 in)
1955
32.0 mm (1.3 in)
1956
29.0 mm (1.1 in)
1957
32.8 mm (1.3 in)
1958
38.4 mm (1.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Mt Wachuset, 1895 to 1958. The record is 242.1 mm (9.5 in) in 1933, marked on the chart; the median year is 82.2 mm (3.2 in).
Wettest five days (Rx5day) at Mt Wachuset by year
Year
Wettest five days (Rx5day)
1895
159.8 mm (6.3 in)
1896
92.0 mm (3.6 in)
1897
51.5 mm (2.0 in)
1913
93.5 mm (3.7 in)
1914
68.3 mm (2.7 in)
1915
136.1 mm (5.4 in)
1916
75.2 mm (3.0 in)
1917
76.2 mm (3.0 in)
1918
63.0 mm (2.5 in)
1919
139.0 mm (5.5 in)
1920
113.0 mm (4.4 in)
1921
121.5 mm (4.8 in)
1922
111.8 mm (4.4 in)
1923
45.7 mm (1.8 in)
1924
26.1 mm (1.0 in)
1926
42.9 mm (1.7 in)
1927
134.6 mm (5.3 in)
1928
87.2 mm (3.4 in)
1929
59.4 mm (2.3 in)
1930
50.8 mm (2.0 in)
1931
154.7 mm (6.1 in)
1932
172.2 mm (6.8 in)
1933
242.1 mm (9.5 in)
1934
130.0 mm (5.1 in)
1935
100.9 mm (4.0 in)
1936
76.7 mm (3.0 in)
1937
89.9 mm (3.5 in)
1938
237.0 mm (9.3 in)
1939
100.6 mm (4.0 in)
1940
90.4 mm (3.6 in)
1941
59.4 mm (2.3 in)
1942
62.8 mm (2.5 in)
1943
74.4 mm (2.9 in)
1944
185.4 mm (7.3 in)
1945
84.6 mm (3.3 in)
1946
119.9 mm (4.7 in)
1947
57.1 mm (2.2 in)
1948
94.2 mm (3.7 in)
1949
64.2 mm (2.5 in)
1950
50.3 mm (2.0 in)
1951
79.8 mm (3.1 in)
1952
54.1 mm (2.1 in)
1953
88.9 mm (3.5 in)
1954
63.0 mm (2.5 in)
1955
43.7 mm (1.7 in)
1956
45.7 mm (1.8 in)
1957
61.8 mm (2.4 in)
1958
43.0 mm (1.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Mt Wachuset, 1895 to 1958. The record is 33 days in 1952, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Mt Wachuset by year
Year
Longest dry spell (CDD)
1895
18 days
1896
16 days
1897
12 days
1913
18 days
1914
25 days
1915
17 days
1916
11 days
1917
17 days
1918
12 days
1919
17 days
1920
22 days
1921
19 days
1922
22 days
1923
13 days
1924
14 days
1926
11 days
1927
14 days
1928
10 days
1929
13 days
1930
10 days
1931
23 days
1932
18 days
1933
11 days
1934
19 days
1935
23 days
1936
9 days
1937
9 days
1938
15 days
1939
24 days
1940
12 days
1941
18 days
1942
14 days
1943
13 days
1944
17 days
1945
16 days
1946
21 days
1947
11 days
1948
16 days
1949
23 days
1950
18 days
1951
13 days
1952
33 days
1953
21 days
1954
11 days
1955
11 days
1956
15 days
1957
17 days
1958
9 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.
Download the Data
Data for Mt Wachuset standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mt Wachuset 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.