Heating Degree Days (HDD) for March

ChronologicalRanked
YearHDDDeviation RankYearHDDDeviation
2025 815.0-258.7 118881475.5 401.7
2024 859.5-214.2 219651454.0 380.2
2023 1116.5 42.7 319601428.0 354.2
2022 1014.0 -59.7 419751365.0 291.2
2021 837.0-236.7 519511356.5 282.7
2020 909.5-164.2 619691356.5 282.7
2019 1211.5 137.7 719121346.5 272.7
2018 1068.5 -5.2 819321309.0 235.2
2017 1047.5 -26.2 919841290.0 216.2
2016 821.5-252.2 1019501285.0 211.2
2015 1008.5 -65.2 1120131276.5 202.7
2014 1263.5 189.7 1219371273.5 199.7
2013 1276.5 202.7 1319621273.5 199.7
2012 508.0-565.7 1419431272.5 198.7
2011 1088.0 14.2 1520011272.0 198.2
2010 828.5-245.2 1620141263.5 189.7
2009 1000.0 -73.7 1719561257.0 183.2
2008 1131.5 57.7 1819131244.0 170.2
2007 907.0-166.7 1919961238.0 164.2
2006 998.5 -75.2 2018931229.0 155.2
2005 1096.0 22.2 2120021225.5 151.7
2004 901.0-172.7 2219641223.0 149.2
2003 1059.0 -14.7 2319931219.5 145.7
2002 1225.5 151.7 2420191211.5 137.7
2001 1272.0 198.2 2519521211.0 137.2
2000 799.0-274.7 2619441208.5 134.7
1999 998.0 -75.7 2719711204.0 130.2
1998 1085.5 11.7 2819701199.0 125.2
1997 1139.0 65.2 2919891199.0 125.2
1996 1238.0 164.2 3019801192.5 118.7
1995 981.5 -92.2 3119401191.0 117.2
1994 989.0 -84.7 3219791188.5 114.7
1993 1219.5 145.7 3319151174.0 100.2
1992 1045.5 -28.2 3419481171.5 97.7
1991 959.5-114.2 3519411162.5 88.7
1990 920.0-153.7 3618871160.5 86.7
1989 1199.0 125.2 3719721151.0 77.2
1988 1028.0 -45.7 3819391148.0 74.2
1987 895.0-178.7 3919541147.5 73.7
1986 1002.0 -71.7 4019971139.0 65.2
1985 905.0-168.7 4119781137.5 63.7
1984 1290.0 216.2 4219471136.5 62.7
1983 1019.5 -54.2 4320081131.5 57.7
1982 1129.5 55.7 4419821129.5 55.7
1981 911.5-162.2 4519551121.0 47.2
1980 1192.5 118.7 4619091118.0 44.2
1979 1188.5 114.7 4719591118.0 44.2
1978 1137.5 63.7 4820231116.5 42.7
1977 815.0-258.7 4919741104.5 30.7
1976 1029.5 -44.2 5019341096.0 22.2
1975 1365.0 291.2 5120051096.0 22.2
1974 1104.5 30.7 5219141089.0 15.2
1973 799.5-274.2 5320111088.0 14.2
1972 1151.0 77.2 5419571086.5 12.7
1971 1204.0 130.2 5519981085.5 11.7
1970 1199.0 125.2 5619491084.5 10.7
1969 1356.5 282.7 5719171077.0 3.2
1968 876.0-197.7 5819611074.0 0.2
1967 1048.5 -25.2 5919191071.5 -2.2
1966 963.5-110.2 6020181068.5 -5.2
1965 1454.0 380.2 6119531062.5 -11.2
1964 1223.0 149.2 6219581060.0 -13.7
1963 1010.5 -63.2 6320031059.0 -14.7
1962 1273.5 199.7 6419671048.5 -25.2
1961 1074.0 0.2 6520171047.5 -26.2
1960 1428.0 354.2 6619921045.5 -28.2
1959 1118.0 44.2 6719331040.0 -33.7
1958 1060.0 -13.7 6819311034.5 -39.2
1957 1086.5 12.7 6919761029.5 -44.2
1956 1257.0 183.2 7019881028.0 -45.7
1955 1121.0 47.2 7119361026.0 -47.7
1954 1147.5 73.7 7219831019.5 -54.2
1953 1062.5 -11.2 7320221014.0 -59.7
1952 1211.0 137.2 7418921011.5 -62.2
1951 1356.5 282.7 7519631010.5 -63.2
1950 1285.0 211.2 7620151008.5 -65.2
1949 1084.5 10.7 7719861002.0 -71.7
1948 1171.5 97.7 7820091000.0 -73.7
1947 1136.5 62.7 792006 998.5 -75.2
1946 699.0-374.7 801999 998.0 -75.7
1945 807.5-266.2 811930 993.5 -80.2
1944 1208.5 134.7 821994 989.0 -84.7
1943 1272.5 198.7 831995 981.5 -92.2
1942 958.0-115.7 841966 963.5 m
1941 1162.5 88.7 851929 962.5 m
1940 1191.0 117.2 861991 959.5 m
1939 1148.0 74.2 871942 958.0 m
1938 903.5-170.2 881916 956.0 m
1937 1273.5 199.7 891935 952.5 m
1936 1026.0 -47.7 901920 930.5 m
1935 952.5-121.2 911990 920.0 m
1934 1096.0 22.2 921981 911.5 m
1933 1040.0 -33.7 932020 909.5 m
1932 1309.0 235.2 942007 907.0 m
1931 1034.5 -39.2 951985 905.0 m
1930 993.5 -80.2 961911 904.5 m
1929 962.5-111.2 971938 903.5 m
1928 m m 982004 901.0 m
1927 m m 991987 895.0 m
1926 m m 1001968 876.0 m
1925 m m 1012024 859.5 m
1924 m m 1022021 837.0 m
1923 m m 1031918 836.5 m
1922 m m 1042010 828.5 m
1921 m m 1052016 821.5 m
1920 930.5-143.2 1061977 815.0 m
1919 1071.5 -2.2 1072025 815.0 m
1918 836.5-237.2 1081945 807.5 m
1917 1077.0 3.2 1091973 799.5 m
1916 956.0-117.7 1102000 799.0 m
1915 1174.0 100.2 1111946 699.0-110.2
1914 1089.0 15.2 1121910 668.0-111.2
1913 1244.0 170.2 1132012 508.0-114.2
1912 1346.5 272.7 1141886 m-115.7
1911 904.5-169.2 1151889 m-117.7
1910 668.0-405.7 1161890 m-121.2
1909 1118.0 44.2 1171891 m-143.2
1908 m m 1181894 m-153.7
1907 m m 1191895 m-162.2
1906 m m 1201896 m-164.2
1905 m m 1211897 m-166.7
1904 m m 1221898 m-168.7
1903 m m 1231899 m-169.2
1902 m m 1241900 m-170.2
1901 m m 1251901 m-172.7
1900 m m 1261902 m-178.7
1899 m m 1271903 m-197.7
1898 m m 1281904 m-214.2
1897 m m 1291905 m-236.7
1896 m m 1301906 m-237.2
1895 m m 1311907 m-245.2
1894 m m 1321908 m-252.2
1893 1229.0 155.2 1331921 m-258.7
1892 1011.5 -62.2 1341922 m-258.7
1891 m m 1351923 m-266.2
1890 m m 1361924 m-274.2
1889 m m 1371925 m-274.7
1888 1475.5 401.7 1381926 m-374.7
1887 1160.5 86.7 1391927 m-405.7
1886 m m 1401928 m-565.7
Mean 1073.7
SD 170.0