Heating Degree Days (HDD) for January
| Chronological | Ranked |
| Year | HDD | Deviation |
Rank | Year | HDD | Deviation |
| 2024 | 1272.5 | -234.0 |
1 | 1912 | 2080.0 | 573.4 |
| 2023 | 1260.0 | -246.5 |
2 | 1977 | 1969.5 | 462.9 |
| 2022 | 1532.0 | 25.4 |
3 | 1979 | 1927.5 | 420.9 |
| 2021 | 1262.0 | -244.5 |
4 | 1929 | 1876.0 | 369.4 |
| 2020 | 1234.5 | -272.0 |
5 | 1982 | 1872.0 | 365.4 |
| 2019 | 1526.0 | 19.4 |
6 | 1918 | 1861.0 | 354.4 |
| 2018 | 1405.5 | -101.0 |
7 | 1963 | 1826.0 | 319.4 |
| 2017 | 1346.0 | -160.5 |
8 | 1930 | 1809.5 | 302.9 |
| 2016 | 1478.5 | -28.0 |
9 | 1905 | 1808.0 | 301.4 |
| 2015 | 1400.5 | -106.0 |
10 | 1978 | 1806.5 | 299.9 |
| 2014 | 1693.5 | 186.9 |
11 | 1970 | 1805.5 | 298.9 |
| 2013 | 1367.0 | -139.5 |
12 | 1994 | 1795.0 | 288.4 |
| 2012 | 1279.5 | -227.0 |
13 | 1895 | 1783.0 | 276.4 |
| 2011 | 1569.0 | 62.4 |
14 | 1924 | 1764.5 | 257.9 |
| 2010 | 1589.5 | 82.9 |
15 | 1904 | 1757.0 | 250.4 |
| 2009 | 1741.0 | 234.4 |
16 | 1971 | 1749.0 | 242.4 |
| 2008 | 1560.5 | 53.9 |
17 | 2009 | 1741.0 | 234.4 |
| 2007 | 1336.5 | -170.0 |
18 | 1972 | 1733.0 | 226.4 |
| 2006 | 1045.0 | -461.5 |
19 | 1936 | 1732.5 | 225.9 |
| 2005 | 1475.0 | -31.5 |
20 | 1940 | 1726.5 | 219.9 |
| 2004 | 1508.0 | 1.4 |
21 | 1917 | 1725.5 | 218.9 |
| 2003 | 1480.5 | -26.0 |
22 | 1966 | 1721.5 | 214.9 |
| 2002 | 1125.5 | -381.0 |
23 | 1937 | 1714.0 | 207.4 |
| 2001 | 1394.0 | -112.5 |
24 | 2014 | 1693.5 | 186.9 |
| 2000 | 1474.0 | -32.5 |
25 | 1920 | 1686.5 | 179.9 |
| 1999 | 1543.5 | 36.9 |
26 | 1951 | 1672.5 | 165.9 |
| 1998 | 1317.5 | -189.0 |
27 | 1943 | 1671.5 | 164.9 |
| 1997 | 1572.0 | 65.4 |
28 | 1959 | 1664.5 | 157.9 |
| 1996 | 1612.0 | 105.4 |
29 | 1948 | 1662.5 | 155.9 |
| 1995 | 1451.5 | -55.0 |
30 | 1991 | 1657.5 | 150.9 |
| 1994 | 1795.0 | 288.4 |
31 | 1988 | 1642.0 | 135.4 |
| 1993 | 1493.5 | -13.0 |
32 | 1985 | 1635.0 | 128.4 |
| 1992 | 1292.5 | -214.0 |
33 | 1945 | 1633.5 | 126.9 |
| 1991 | 1657.5 | 150.9 |
34 | 1962 | 1619.5 | 112.9 |
| 1990 | 1138.5 | -368.0 |
35 | 1969 | 1616.0 | 109.4 |
| 1989 | 1189.0 | -317.5 |
36 | 1957 | 1614.0 | 107.4 |
| 1988 | 1642.0 | 135.4 |
37 | 1996 | 1612.0 | 105.4 |
| 1987 | 1331.0 | -175.5 |
38 | 1915 | 1595.5 | 88.9 |
| 1986 | 1462.5 | -44.0 |
39 | 1897 | 1594.5 | 87.9 |
| 1985 | 1635.0 | 128.4 |
40 | 2010 | 1589.5 | 82.9 |
| 1984 | 1532.0 | 25.4 |
41 | 1965 | 1584.5 | 77.9 |
| 1983 | 1308.5 | -198.0 |
42 | 1911 | 1573.0 | 66.4 |
| 1982 | 1872.0 | 365.4 |
43 | 1910 | 1572.5 | 65.9 |
| 1981 | 1395.0 | -111.5 |
44 | 1997 | 1572.0 | 65.4 |
| 1980 | 1471.5 | -35.0 |
45 | 2011 | 1569.0 | 62.4 |
| 1979 | 1927.5 | 420.9 |
46 | 1976 | 1568.0 | 61.4 |
| 1978 | 1806.5 | 299.9 |
47 | 1935 | 1564.0 | 57.4 |
| 1977 | 1969.5 | 462.9 |
48 | 2008 | 1560.5 | 53.9 |
| 1976 | 1568.0 | 61.4 |
49 | 1907 | 1556.0 | 49.4 |
| 1975 | 1511.0 | 4.4 |
50 | 1922 | 1551.0 | 44.4 |
| 1974 | 1543.5 | 36.9 |
51 | 1899 | 1546.0 | 39.4 |
| 1973 | 1432.5 | -74.0 |
52 | 1974 | 1543.5 | 36.9 |
| 1972 | 1733.0 | 226.4 |
53 | 1999 | 1543.5 | 36.9 |
| 1971 | 1749.0 | 242.4 |
54 | 1956 | 1538.0 | 31.4 |
| 1970 | 1805.5 | 298.9 |
55 | 1984 | 1532.0 | 25.4 |
| 1969 | 1616.0 | 109.4 |
56 | 2022 | 1532.0 | 25.4 |
| 1968 | 1445.0 | -61.5 |
57 | 2019 | 1526.0 | 19.4 |
| 1967 | 1396.5 | -110.0 |
58 | 1975 | 1511.0 | 4.4 |
| 1966 | 1721.5 | 214.9 |
59 | 1925 | 1510.5 | 3.9 |
| 1965 | 1584.5 | 77.9 |
60 | 1927 | 1510.0 | 3.4 |
| 1964 | 1276.0 | -230.5 |
61 | 2004 | 1508.0 | 1.4 |
| 1963 | 1826.0 | 319.4 |
62 | 1961 | 1504.5 | -2.0 |
| 1962 | 1619.5 | 112.9 |
63 | 1954 | 1502.0 | -4.5 |
| 1961 | 1504.5 | -2.0 |
64 | 1916 | 1497.0 | -9.5 |
| 1960 | 1349.0 | -157.5 |
65 | 1894 | 1493.5 | -13.0 |
| 1959 | 1664.5 | 157.9 |
66 | 1993 | 1493.5 | -13.0 |
| 1958 | 1356.0 | -150.5 |
67 | 1926 | 1489.0 | -17.5 |
| 1957 | 1614.0 | 107.4 |
68 | 1942 | 1486.0 | -20.5 |
| 1956 | 1538.0 | 31.4 |
69 | 2003 | 1480.5 | -26.0 |
| 1955 | 1463.5 | -43.0 |
70 | 2016 | 1478.5 | -28.0 |
| 1954 | 1502.0 | -4.5 |
71 | 2005 | 1475.0 | -31.5 |
| 1953 | 1381.5 | -125.0 |
72 | 2000 | 1474.0 | -32.5 |
| 1952 | 1453.0 | -53.5 |
73 | 1980 | 1471.5 | -35.0 |
| 1951 | 1672.5 | 165.9 |
74 | 1955 | 1463.5 | -43.0 |
| 1950 | 1459.0 | -47.5 |
75 | 1986 | 1462.5 | -44.0 |
| 1949 | 1452.0 | -54.5 |
76 | 1903 | 1461.0 | -45.5 |
| 1948 | 1662.5 | 155.9 |
77 | 1950 | 1459.0 | -47.5 |
| 1947 | 1331.0 | -175.5 |
78 | 1952 | 1453.0 | -53.5 |
| 1946 | 1410.5 | -96.0 |
79 | 1949 | 1452.0 | -54.5 |
| 1945 | 1633.5 | 126.9 |
80 | 1995 | 1451.5 | -55.0 |
| 1944 | 1189.0 | -317.5 |
81 | 1896 | 1445.0 | -61.5 |
| 1943 | 1671.5 | 164.9 |
82 | 1968 | 1445.0 | -61.5 |
| 1942 | 1486.0 | -20.5 |
83 | 1938 | 1441.5 | -65.0 |
| 1941 | 1371.5 | -135.0 |
84 | 1973 | 1432.5 | -74.0 |
| 1940 | 1726.5 | 219.9 |
85 | 1902 | 1430.5 | -76.0 |
| 1939 | 1229.0 | -277.5 |
86 | 1913 | 1419.5 | -87.0 |
| 1938 | 1441.5 | -65.0 |
87 | 1901 | 1412.5 | -94.0 |
| 1937 | 1714.0 | 207.4 |
88 | 1909 | 1412.5 | -94.0 |
| 1936 | 1732.5 | 225.9 |
89 | 1946 | 1410.5 | -96.0 |
| 1935 | 1564.0 | 57.4 |
90 | 2018 | 1405.5 | m |
| 1934 | 1285.0 | -221.5 |
91 | 2015 | 1400.5 | -101.0 |
| 1933 | 1126.5 | -380.0 |
92 | 1967 | 1396.5 | -106.0 |
| 1932 | 1354.0 | -152.5 |
93 | 1981 | 1395.0 | -110.0 |
| 1931 | 1268.0 | -238.5 |
94 | 2001 | 1394.0 | -111.5 |
| 1930 | 1809.5 | 302.9 |
95 | 1898 | 1393.5 | -112.5 |
| 1929 | 1876.0 | 369.4 |
96 | 1900 | 1386.0 | -113.0 |
| 1928 | 1373.5 | -133.0 |
97 | 1953 | 1381.5 | -120.5 |
| 1927 | 1510.0 | 3.4 |
98 | 1928 | 1373.5 | -125.0 |
| 1926 | 1489.0 | -17.5 |
99 | 1908 | 1372.0 | -133.0 |
| 1925 | 1510.5 | 3.9 |
100 | 1941 | 1371.5 | -134.5 |
| 1924 | 1764.5 | 257.9 |
101 | 1906 | 1368.5 | -135.0 |
| 1923 | 1329.5 | -177.0 |
102 | 2013 | 1367.0 | -138.0 |
| 1922 | 1551.0 | 44.4 |
103 | 1958 | 1356.0 | -139.5 |
| 1921 | 1234.0 | -272.5 |
104 | 1932 | 1354.0 | -150.5 |
| 1920 | 1686.5 | 179.9 |
105 | 1960 | 1349.0 | -152.5 |
| 1919 | 1277.5 | -229.0 |
106 | 2017 | 1346.0 | -157.5 |
| 1918 | 1861.0 | 354.4 |
107 | 2007 | 1336.5 | -160.5 |
| 1917 | 1725.5 | 218.9 |
108 | 1947 | 1331.0 | -170.0 |
| 1916 | 1497.0 | -9.5 |
109 | 1987 | 1331.0 | -175.5 |
| 1915 | 1595.5 | 88.9 |
110 | 1923 | 1329.5 | -175.5 |
| 1914 | 1196.0 | -310.5 |
111 | 1998 | 1317.5 | -177.0 |
| 1913 | 1419.5 | -87.0 |
112 | 1983 | 1308.5 | -189.0 |
| 1912 | 2080.0 | 573.4 |
113 | 1992 | 1292.5 | -198.0 |
| 1911 | 1573.0 | 66.4 |
114 | 1934 | 1285.0 | -214.0 |
| 1910 | 1572.5 | 65.9 |
115 | 2012 | 1279.5 | -221.5 |
| 1909 | 1412.5 | -94.0 |
116 | 1919 | 1277.5 | -227.0 |
| 1908 | 1372.0 | -134.5 |
117 | 1964 | 1276.0 | -229.0 |
| 1907 | 1556.0 | 49.4 |
118 | 2024 | 1272.5 | -230.5 |
| 1906 | 1368.5 | -138.0 |
119 | 1931 | 1268.0 | -234.0 |
| 1905 | 1808.0 | 301.4 |
120 | 2021 | 1262.0 | -238.5 |
| 1904 | 1757.0 | 250.4 |
121 | 2023 | 1260.0 | -244.5 |
| 1903 | 1461.0 | -45.5 |
122 | 2020 | 1234.5 | -246.5 |
| 1902 | 1430.5 | -76.0 |
123 | 1921 | 1234.0 | -272.0 |
| 1901 | 1412.5 | -94.0 |
124 | 1939 | 1229.0 | -272.5 |
| 1900 | 1386.0 | -120.5 |
125 | 1914 | 1196.0 | -277.5 |
| 1899 | 1546.0 | 39.4 |
126 | 1944 | 1189.0 | -310.5 |
| 1898 | 1393.5 | -113.0 |
127 | 1989 | 1189.0 | -317.5 |
| 1897 | 1594.5 | 87.9 |
128 | 1990 | 1138.5 | -317.5 |
| 1896 | 1445.0 | -61.5 |
129 | 1933 | 1126.5 | -368.0 |
| 1895 | 1783.0 | 276.4 |
130 | 2002 | 1125.5 | -380.0 |
| 1894 | 1493.5 | -13.0 |
131 | 2006 | 1045.0 | -381.0 |
| 1893 | m | m |
132 | 1893 | m | -461.5 |
| Mean | 1506.5 |
|
| SD | 192.2 |
|