Boylston Weather Records (USC00190801)
Record envelope, standing records and threshold days for Boylston (USC00190801), Massachusetts, United States, with 90 years of record.
Key Facts for Boylston
- Boylston (USC00190801) is a weather station in Massachusetts, United States at 42.35 latitude and -71.72 longitude, 192 m (630 ft) above sea level.
- The station reports from 1896 to 1985, 90 years of record.
- 0 records set at Boylston still stand.
- Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
- Boylston set a daily record precipitation of 38.1 mm (1.5 in) on 28 September 1985.
About the Station
- Location: Massachusetts, United States, 42.35 latitude, -71.72 longitude.
- Elevation: 192 m (630 ft).
- Period of record: 1896 to 1985, 90 years.
- Eligible elements: prcp, snow.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | n/a | n/a | n/a | n/a |
| Feb | n/a | n/a | n/a | n/a |
| Mar | n/a | n/a | n/a | n/a |
| Apr | n/a | n/a | n/a | n/a |
| May | n/a | n/a | n/a | n/a |
| Jun | n/a | n/a | n/a | n/a |
| Jul | n/a | n/a | n/a | n/a |
| Aug | n/a | n/a | n/a | n/a |
| Sep | n/a | n/a | n/a | n/a |
| Oct | n/a | n/a | n/a | n/a |
| Nov | n/a | n/a | n/a | n/a |
| Dec | n/a | n/a | n/a | n/a |
Which Years Hold Standing Records
0 standing records| Year set | Standing records |
|---|
All-Time Record Progression
1 new records| Date | Kind | Detail |
|---|---|---|
| 1933-09-17 | Record daily precipitation | Record daily precipitation 198.6 mm (7.8 in) |
Wettest Day of Each Month
Sep: 198.6 mm (7.8 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 85.6 mm (3.4 in) | 31 January 1917 |
| Feb | 82.6 mm (3.3 in) | 22 February 1898 |
| Mar | 94.2 mm (3.7 in) | 19 March 1936 |
| Apr | 122.7 mm (4.8 in) | 30 April 1904 |
| May | 110.0 mm (4.3 in) | 29 May 1906 |
| Jun | 131.8 mm (5.2 in) | 22 June 1903 |
| Jul | 156.0 mm (6.1 in) | 24 July 1938 |
| Aug | 111.8 mm (4.4 in) | 31 August 1954 |
| Sep | 198.6 mm (7.8 in) | 17 September 1933 |
| Oct | 138.4 mm (5.4 in) | 20 October 1932 |
| Nov | 172.0 mm (6.8 in) | 4 November 1927 |
| Dec | 88.9 mm (3.5 in) | 15 December 1897 |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 28 September 1985 | Boylston, US | daily rain | 38.1 mm (1.5 in) | 15.2 mm (0.6 in) | 43 years | 27 of 100 (Routine) |
| 1 August 1985 | Boylston, US | daily rain | 88.9 mm (3.5 in) | 56.1 mm (2.2 in) | 14 years | 51 of 100 (Notable) |
| 27 July 1985 | Boylston, US | daily rain | 36.8 mm (1.4 in) | 10.6 mm (0.4 in) | 6 years | 17 of 100 (Routine) |
| 22 May 1985 | Boylston, US | daily rain | 43.2 mm (1.7 in) | 9.2 mm (0.36 in) | 42 years | 27 of 100 (Routine) |
| 8 April 1985 | Boylston, US | daily snowfall (Tie) | 5.1 cm (2.0 in) | tie | 54 years | 6 of 100 (Routine) |
| 8 July 1984 | Boylston, US | daily rain | 55.9 mm (2.2 in) | 0.3 mm (0.01 in) | 69 years | 28 of 100 (Routine) |
| 4 April 1984 | Boylston, US | daily rain | 40.9 mm (1.6 in) | 2.8 mm (0.11 in) | 9 years | 11 of 100 (Routine) |
| 29 March 1984 | Boylston, US | monthly snowfall (Tie) | 33.0 cm (13.0 in) | tie | 60 years | 9 of 100 (Routine) |
| 9 March 1984 | Boylston, US | daily snowfall | 14.0 cm (5.5 in) | 1.3 cm (0.5 in) | 45 years | 22 of 100 (Routine) |
| 24 February 1984 | Boylston, US | daily rain | 14.2 mm (0.6 in) | 1.5 mm (0.06 in) | 48 years | 20 of 100 (Routine) |
| 19 January 1984 | Boylston, US | daily snowfall | 12.7 cm (5.0 in) | 1.3 cm (0.5 in) | 52 years | 24 of 100 (Routine) |
| 11 January 1984 | Boylston, US | daily snowfall (Tie) | 25.4 cm (10.0 in) | tie | 87 years | 8 of 100 (Routine) |
| 25 April 1983 | Boylston, US | daily rain | 48.8 mm (1.9 in) | 9.4 mm (0.37 in) | 38 years | 25 of 100 (Routine) |
| 11 April 1983 | Boylston, US | daily rain | 45.2 mm (1.8 in) | 25.9 mm (1.0 in) | 40 years | 37 of 100 (Notable) |
| 16 January 1983 | Boylston, US | daily snowfall | 30.5 cm (12.0 in) | 12.7 cm (5.0 in) | 56 years | 39 of 100 (Notable) |
| 16 January 1983 | Boylston, US | daily rain | 25.4 mm (1.0 in) | 7.4 mm (0.29 in) | 56 years | 29 of 100 (Routine) |
| 11 January 1983 | Boylston, US | daily rain | 63.5 mm (2.5 in) | 27.4 mm (1.1 in) | 60 years | 46 of 100 (Notable) |
| 25 December 1982 | Boylston, US | daily rain | 18.3 mm (0.7 in) | 0.5 mm (0.02 in) | 37 years | 19 of 100 (Routine) |
| 9 October 1982 | Boylston, US | daily rain | 43.9 mm (1.7 in) | 13.9 mm (0.5 in) | 79 years | 39 of 100 (Notable) |
| 10 August 1982 | Boylston, US | daily rain | 59.4 mm (2.3 in) | 21.6 mm (0.9 in) | 72 years | 43 of 100 (Notable) |
Extremes by Year
1896 to 1985| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Wettest day (Rx1day) | 198.6 mm (7.8 in) | 1933 | 68.8 mm (2.7 in) | 89 |
| Wettest five days (Rx5day) | 203.7 mm (8.0 in) | 1933 | 84.6 mm (3.3 in) | 85 |
| Longest dry spell (CDD) | 37 days | 1947 | 16 days | 86 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1896 | 93.5 mm (3.7 in) |
| 1897 | 88.9 mm (3.5 in) |
| 1898 | 86.4 mm (3.4 in) |
| 1899 | 68.1 mm (2.7 in) |
| 1900 | 88.9 mm (3.5 in) |
| 1901 | 85.3 mm (3.4 in) |
| 1902 | 68.8 mm (2.7 in) |
| 1903 | 131.8 mm (5.2 in) |
| 1904 | 122.7 mm (4.8 in) |
| 1905 | 166.9 mm (6.6 in) |
| 1906 | 110.0 mm (4.3 in) |
| 1907 | 90.9 mm (3.6 in) |
| 1908 | 64.3 mm (2.5 in) |
| 1909 | 64.3 mm (2.5 in) |
| 1910 | 58.2 mm (2.3 in) |
| 1911 | 46.7 mm (1.8 in) |
| 1912 | 51.1 mm (2.0 in) |
| 1913 | 63.0 mm (2.5 in) |
| 1914 | 47.5 mm (1.9 in) |
| 1915 | 94.0 mm (3.7 in) |
| 1916 | 77.0 mm (3.0 in) |
| 1917 | 85.6 mm (3.4 in) |
| 1918 | 90.4 mm (3.6 in) |
| 1919 | 74.7 mm (2.9 in) |
| 1920 | 104.6 mm (4.1 in) |
| 1921 | 102.9 mm (4.1 in) |
| 1922 | 101.1 mm (4.0 in) |
| 1923 | 118.6 mm (4.7 in) |
| 1924 | 57.2 mm (2.3 in) |
| 1926 | 49.0 mm (1.9 in) |
| 1927 | 172.0 mm (6.8 in) |
| 1928 | 63.5 mm (2.5 in) |
| 1929 | 48.8 mm (1.9 in) |
| 1930 | 61.2 mm (2.4 in) |
| 1931 | 118.9 mm (4.7 in) |
| 1932 | 167.6 mm (6.6 in) |
| 1933 | 198.6 mm (7.8 in) |
| 1934 | 95.0 mm (3.7 in) |
| 1935 | 75.4 mm (3.0 in) |
| 1936 | 94.2 mm (3.7 in) |
| 1937 | 100.1 mm (3.9 in) |
| 1938 | 186.2 mm (7.3 in) |
| 1939 | 83.6 mm (3.3 in) |
| 1940 | 85.1 mm (3.4 in) |
| 1941 | 54.4 mm (2.1 in) |
| 1942 | 76.7 mm (3.0 in) |
| 1943 | 57.2 mm (2.3 in) |
| 1944 | 106.9 mm (4.2 in) |
| 1945 | 51.3 mm (2.0 in) |
| 1946 | 73.4 mm (2.9 in) |
| 1947 | 77.5 mm (3.1 in) |
| 1948 | 84.1 mm (3.3 in) |
| 1949 | 37.1 mm (1.5 in) |
| 1950 | 78.2 mm (3.1 in) |
| 1951 | 53.8 mm (2.1 in) |
| 1952 | 69.3 mm (2.7 in) |
| 1953 | 80.8 mm (3.2 in) |
| 1954 | 149.4 mm (5.9 in) |
| 1955 | 40.4 mm (1.6 in) |
| 1956 | 50.3 mm (2.0 in) |
| 1957 | 34.0 mm (1.3 in) |
| 1958 | 72.4 mm (2.9 in) |
| 1959 | 67.8 mm (2.7 in) |
| 1960 | 44.5 mm (1.8 in) |
| 1961 | 40.6 mm (1.6 in) |
| 1962 | 41.1 mm (1.6 in) |
| 1963 | 38.9 mm (1.5 in) |
| 1964 | 40.6 mm (1.6 in) |
| 1965 | 29.5 mm (1.2 in) |
| 1966 | 68.6 mm (2.7 in) |
| 1967 | 27.2 mm (1.1 in) |
| 1968 | 39.6 mm (1.6 in) |
| 1969 | 34.3 mm (1.4 in) |
| 1970 | 49.0 mm (1.9 in) |
| 1971 | 51.6 mm (2.0 in) |
| 1972 | 72.4 mm (2.9 in) |
| 1973 | 57.2 mm (2.3 in) |
| 1974 | 67.3 mm (2.6 in) |
| 1975 | 50.8 mm (2.0 in) |
| 1976 | 61.0 mm (2.4 in) |
| 1977 | 85.9 mm (3.4 in) |
| 1978 | 66.0 mm (2.6 in) |
| 1979 | 67.6 mm (2.7 in) |
| 1980 | 58.4 mm (2.3 in) |
| 1981 | 44.5 mm (1.8 in) |
| 1982 | 70.9 mm (2.8 in) |
| 1983 | 63.5 mm (2.5 in) |
| 1984 | 58.4 mm (2.3 in) |
| 1985 | 88.9 mm (3.5 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1896 | 109.8 mm (4.3 in) |
| 1897 | 103.1 mm (4.1 in) |
| 1898 | 108.3 mm (4.3 in) |
| 1899 | 93.0 mm (3.7 in) |
| 1900 | 104.2 mm (4.1 in) |
| 1901 | n/a |
| 1902 | n/a |
| 1903 | n/a |
| 1904 | n/a |
| 1905 | 180.6 mm (7.1 in) |
| 1906 | 121.4 mm (4.8 in) |
| 1907 | 95.7 mm (3.8 in) |
| 1908 | 98.8 mm (3.9 in) |
| 1909 | 76.5 mm (3.0 in) |
| 1910 | 58.2 mm (2.3 in) |
| 1911 | 76.0 mm (3.0 in) |
| 1912 | 73.6 mm (2.9 in) |
| 1913 | 87.3 mm (3.4 in) |
| 1914 | 82.3 mm (3.2 in) |
| 1915 | 101.9 mm (4.0 in) |
| 1916 | 85.1 mm (3.4 in) |
| 1917 | 88.1 mm (3.5 in) |
| 1918 | 97.5 mm (3.8 in) |
| 1919 | 75.7 mm (3.0 in) |
| 1920 | 114.5 mm (4.5 in) |
| 1921 | 132.9 mm (5.2 in) |
| 1922 | 142.1 mm (5.6 in) |
| 1923 | 122.4 mm (4.8 in) |
| 1924 | 57.4 mm (2.3 in) |
| 1926 | 63.0 mm (2.5 in) |
| 1927 | 172.3 mm (6.8 in) |
| 1928 | 66.8 mm (2.6 in) |
| 1929 | 78.4 mm (3.1 in) |
| 1930 | 59.5 mm (2.3 in) |
| 1931 | 119.9 mm (4.7 in) |
| 1932 | 138.4 mm (5.4 in) |
| 1933 | 203.7 mm (8.0 in) |
| 1934 | 96.3 mm (3.8 in) |
| 1935 | 79.7 mm (3.1 in) |
| 1936 | 122.6 mm (4.8 in) |
| 1937 | 100.1 mm (3.9 in) |
| 1938 | 186.2 mm (7.3 in) |
| 1939 | 92.2 mm (3.6 in) |
| 1940 | 98.3 mm (3.9 in) |
| 1941 | 57.9 mm (2.3 in) |
| 1942 | 76.7 mm (3.0 in) |
| 1943 | 82.3 mm (3.2 in) |
| 1944 | 125.0 mm (4.9 in) |
| 1945 | 73.7 mm (2.9 in) |
| 1946 | 85.3 mm (3.4 in) |
| 1947 | 91.0 mm (3.6 in) |
| 1948 | 101.6 mm (4.0 in) |
| 1949 | 55.9 mm (2.2 in) |
| 1950 | 82.0 mm (3.2 in) |
| 1951 | 82.5 mm (3.2 in) |
| 1952 | 84.1 mm (3.3 in) |
| 1953 | 80.8 mm (3.2 in) |
| 1954 | 152.2 mm (6.0 in) |
| 1955 | 54.4 mm (2.1 in) |
| 1956 | 82.6 mm (3.3 in) |
| 1957 | 34.0 mm (1.3 in) |
| 1958 | 75.5 mm (3.0 in) |
| 1959 | 133.8 mm (5.3 in) |
| 1960 | 60.9 mm (2.4 in) |
| 1961 | 59.1 mm (2.3 in) |
| 1962 | 50.8 mm (2.0 in) |
| 1963 | 38.9 mm (1.5 in) |
| 1964 | 52.8 mm (2.1 in) |
| 1965 | 38.6 mm (1.5 in) |
| 1966 | 70.4 mm (2.8 in) |
| 1967 | 57.7 mm (2.3 in) |
| 1968 | 44.7 mm (1.8 in) |
| 1969 | 34.3 mm (1.4 in) |
| 1970 | 49.0 mm (1.9 in) |
| 1971 | 51.6 mm (2.0 in) |
| 1972 | 97.3 mm (3.8 in) |
| 1973 | 84.6 mm (3.3 in) |
| 1974 | 79.8 mm (3.1 in) |
| 1975 | 125.7 mm (4.9 in) |
| 1976 | 78.5 mm (3.1 in) |
| 1977 | 91.0 mm (3.6 in) |
| 1978 | 75.7 mm (3.0 in) |
| 1979 | 115.1 mm (4.5 in) |
| 1980 | 82.0 mm (3.2 in) |
| 1981 | 79.1 mm (3.1 in) |
| 1982 | 168.0 mm (6.6 in) |
| 1983 | 88.6 mm (3.5 in) |
| 1984 | 153.6 mm (6.0 in) |
| 1985 | 88.9 mm (3.5 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1896 | 18 days |
| 1897 | 15 days |
| 1898 | 10 days |
| 1899 | 12 days |
| 1900 | 10 days |
| 1901 | 1 day |
| 1902 | n/a |
| 1903 | n/a |
| 1904 | n/a |
| 1905 | 16 days |
| 1906 | 14 days |
| 1907 | 12 days |
| 1908 | 22 days |
| 1909 | 13 days |
| 1910 | 14 days |
| 1911 | 18 days |
| 1912 | 23 days |
| 1913 | 18 days |
| 1914 | 30 days |
| 1915 | 24 days |
| 1916 | 13 days |
| 1917 | 26 days |
| 1918 | 17 days |
| 1919 | 15 days |
| 1920 | 23 days |
| 1921 | 24 days |
| 1922 | 21 days |
| 1923 | 16 days |
| 1924 | 14 days |
| 1926 | 16 days |
| 1927 | 17 days |
| 1928 | 15 days |
| 1929 | 21 days |
| 1930 | 24 days |
| 1931 | 22 days |
| 1932 | 19 days |
| 1933 | 13 days |
| 1934 | 15 days |
| 1935 | 16 days |
| 1936 | 14 days |
| 1937 | 13 days |
| 1938 | 13 days |
| 1939 | 26 days |
| 1940 | 18 days |
| 1941 | 19 days |
| 1942 | 15 days |
| 1943 | 19 days |
| 1944 | 15 days |
| 1945 | 15 days |
| 1946 | 21 days |
| 1947 | 37 days |
| 1948 | 14 days |
| 1949 | 22 days |
| 1950 | 15 days |
| 1951 | 13 days |
| 1952 | 15 days |
| 1953 | 21 days |
| 1954 | 13 days |
| 1955 | 25 days |
| 1956 | 16 days |
| 1957 | 15 days |
| 1958 | 20 days |
| 1959 | 13 days |
| 1960 | 18 days |
| 1961 | 17 days |
| 1962 | 13 days |
| 1963 | 23 days |
| 1964 | 18 days |
| 1965 | 15 days |
| 1966 | 12 days |
| 1967 | 12 days |
| 1968 | 21 days |
| 1969 | 16 days |
| 1970 | 14 days |
| 1971 | 14 days |
| 1972 | 14 days |
| 1973 | 14 days |
| 1974 | 14 days |
| 1975 | 21 days |
| 1976 | 19 days |
| 1977 | 16 days |
| 1978 | 23 days |
| 1979 | 14 days |
| 1980 | 24 days |
| 1981 | 14 days |
| 1982 | 19 days |
| 1983 | 15 days |
| 1984 | 19 days |
| 1985 | 14 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.
Rainfall Return Levels
46 years, 1896 to 1985A day with at least 76.1 mm (3.0 in) of rain is expected about once in 2 years. A day with at least 225.1 mm (8.9 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 76.1 mm (3.0 in) | |
| 5 years | 105.7 mm (4.2 in) | |
| 10 years | 128.9 mm (5.1 in) | |
| 25 years | 163.0 mm (6.4 in) | |
| 50 years | 192.2 mm (7.6 in) | Longer than the 46 years of record |
| 100 years | 225.1 mm (8.9 in) | Longer than the 46 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, 46 years of values from 1896 to 1985.
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: 198.6 mm (7.8 in) in 1933; 186.2 mm (7.3 in) in 1938; 172.0 mm (6.8 in) in 1927.
Download the Data
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.
Data as of . Last revised (2025-12-31).