{"series":[{"label":"1960–64","counts":[0,1,6,28,32,67,141,72,54,30,21],"values":[0.0,0.2212,1.3274,6.1947,7.0796,14.823,31.1947,15.9292,11.9469,6.6372,4.646],"total":452,"metric":"21.5%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"452 valid daily highs · 0 missing or quality-flagged days out of 452 calendar days. December, January and February within these calendar years."},{"label":"1965–69","counts":[0,2,10,20,28,71,130,75,51,34,30],"values":[0.0,0.4435,2.2173,4.4346,6.2084,15.7428,28.8248,16.6297,11.3082,7.5388,6.6519],"total":451,"metric":"20.8%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"1970–74","counts":[0,2,9,28,19,74,97,86,40,53,43],"values":[0.0,0.4435,1.9956,6.2084,4.2129,16.408,21.5078,19.0687,8.8692,11.7517,9.5344],"total":451,"metric":"21.7%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"1975–79","counts":[0,4,10,24,47,83,81,78,42,44,38],"values":[0.0,0.8869,2.2173,5.3215,10.4213,18.4035,17.9601,17.2949,9.3126,9.7561,8.4257],"total":451,"metric":"30.4%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"1980–84","counts":[0,2,11,21,30,66,97,80,51,37,57],"values":[0.0,0.4425,2.4336,4.646,6.6372,14.6018,21.4602,17.6991,11.2832,8.1858,12.6106],"total":452,"metric":"22.3%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"452 valid daily highs · 0 missing or quality-flagged days out of 452 calendar days. December, January and February within these calendar years."},{"label":"1985–89","counts":[1,0,4,22,34,58,120,88,56,40,28],"values":[0.2217,0.0,0.8869,4.878,7.5388,12.8603,26.6075,19.5122,12.4169,8.8692,6.2084],"total":451,"metric":"22.0%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"1990–94","counts":[0,1,7,9,19,41,96,87,68,56,67],"values":[0.0,0.2217,1.5521,1.9956,4.2129,9.0909,21.286,19.2905,15.0776,12.4169,14.8559],"total":451,"metric":"12.2%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"1995–99","counts":[0,0,7,11,24,47,90,91,62,63,56],"values":[0.0,0.0,1.5521,2.439,5.3215,10.4213,19.9557,20.1774,13.7472,13.969,12.4169],"total":451,"metric":"14.6%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"2000–04","counts":[0,0,9,18,25,73,101,79,52,50,45],"values":[0.0,0.0,1.9912,3.9823,5.531,16.1504,22.3451,17.4779,11.5044,11.0619,9.9558],"total":452,"metric":"21.5%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"452 valid daily highs · 0 missing or quality-flagged days out of 452 calendar days. December, January and February within these calendar years."},{"label":"2005–09","counts":[0,0,6,12,24,65,108,82,45,53,56],"values":[0.0,0.0,1.3304,2.6608,5.3215,14.4124,23.9468,18.1818,9.9778,11.7517,12.4169],"total":451,"metric":"16.6%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"2010–14","counts":[0,0,5,14,18,80,110,71,59,47,47],"values":[0.0,0.0,1.1086,3.1042,3.9911,17.7384,24.3902,15.7428,13.082,10.4213,10.4213],"total":451,"metric":"18.2%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"2015–19","counts":[0,2,7,14,21,50,106,74,61,39,77],"values":[0.0,0.4435,1.5521,3.1042,4.6563,11.0865,23.5033,16.408,13.5255,8.6475,17.0732],"total":451,"metric":"15.5%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"451 valid daily highs · 0 missing or quality-flagged days out of 451 calendar days. December, January and February within these calendar years."},{"label":"2020–24","counts":[0,0,1,5,14,41,90,104,68,51,78],"values":[0.0,0.0,0.2212,1.1062,3.0973,9.0708,19.9115,23.0088,15.0442,11.2832,17.2566],"total":452,"metric":"9.1%","summary":"of cold-season days stayed at or below freezing, even at the day’s warmest point.","note":"452 valid daily highs · 0 missing or quality-flagged days out of 452 calendar days. December, January and February within these calendar years."}],"labels":["Below 10","10–<15","15–<20","20–<25","25–<30","30–<35","35–<40","40–<45","45–<50","50–<55","55+"],"sources":[{"label":"NOAA GHCN-Daily · Central Park Station USW00094728","url":"https://www.ncei.noaa.gov/pub/data/ghcn/daily/all/USW00094728.dly","file":"USW00094728.dly","sha256":"a9d328e63dbcd87688274244e33eaa5d3f7c99cd74d03ba4743b356e093346fa"},{"label":"NOAA File Format & Quality Flags","url":"https://www.ncei.noaa.gov/pub/data/ghcn/daily/readme.txt","file":"ghcn-readme.txt","sha256":"3a71ae355252a6693a56a473ed7182b500ae7816c2cb2b2ce708c1e9ea9dcfde"}],"retrieved":"2026-09-09"}