"Figure 1. Permafrost Temperatures in Alaska, 1978–2023",,,,,,,,,,,,,,,
Source: EPA's Climate Change Indicators in the United States: www.epa.gov/climate-indicators,,,,,,,,,,,,,,,
"Data source: University of Alaska Fairbanks, 2024",,,,,,,,,,,,,,,
Web update: December 2024,,,,,,,,,,,,,,,
Units: °F,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,
Year,Livengood,C'uul C'ena' (Gulkana),Birch Lake,Old Man,T'eedrinjik (Chandalar Shelf),Deenaalee (Healy),Troth Yeddha' (College Peat),Coldfoot,West Dock,Deadhorse,Franklin Bluffs,Happy Valley,Galbraith Lake,Utqiagvik (Barrow),Qaaktugvik (Kaktovik)
1978,,,,,,,,,13.91,16.376,,,,,
1979,,,,,,,,,,16.88,,,,,
1980,,,,,,,,,14.756,16.88,,,,,
1981,,,,,,,,,,,,,,,
1982,,,,,,,,,,17.33,,,,,
1983,30.7958,30.2072,,,,,27.3452,,14.7596,17.3714,20.336,22.9442,,,
1984,,30.1622,,26.258,,,27.4298,29.4818,14.2538,16.844,20.0876,22.6112,,,
1985,,30.1874,,26.168,27.212,29.9084,,29.4098,14.18,16.8476,19.832,22.5662,21.9812,,
1986,,,28.4378,26.1104,27.0842,,,,13.9622,17.3228,19.6664,22.4564,21.8156,,
1987,,30.2396,28.5926,26.168,27.3344,,27.3758,29.0948,14.2376,16.943,19.5206,22.4096,21.749,,
1988,,30.2432,28.5782,26.231,27.536,,27.2876,29.093,14.3816,17.0042,19.5134,22.5032,21.857,,
1989,,30.2432,28.5422,26.384,27.734,,27.365,29.1524,14.6624,17.447,19.5062,22.5968,22.1036,,
1990,,30.2972,28.5602,26.222,27.7214,,27.3776,29.2334,14.9234,17.7242,19.7456,22.7174,22.0532,,
1991,,30.3692,28.9004,26.375,27.5414,,27.5684,29.1218,14.9648,17.9312,19.8104,22.6292,21.7022,,
1992,,,,26.501,27.4694,,,29.183,14.8298,18.023,19.9292,22.7426,21.8714,,
1993,30.667982,30.5204,29.183,26.4866,27.3992,30.3044,28.0292,29.1434,14.657,17.951,19.94,22.883,22.0514,,
1994,30.689582,30.578,29.3792,26.8214,27.7844,30.3962,28.1624,29.2172,14.9414,18.2192,20.1326,22.9964,22.1756,,
1995,30.701282,30.6428,29.5016,27.0338,27.923,30.479,28.1894,29.372,15.1106,18.3506,20.1596,22.9568,22.225046,,
1996,30.708482,30.6842,29.4548,27.0158,28.0202,30.5564,28.1318,29.525,15.4184,18.7376,20.2298,23.1314,22.410932,,
1997,30.7067,30.72614,29.275916,26.767634,28.0454,30.5744,27.9176,29.516,15.603188,19.128578,20.506388,23.310104,22.70174,,
1998,30.6698,30.73217,,26.995244,28.0742,30.6068,27.8168,29.498,15.82043,19.557788,20.75,23.50742,22.956836,,
1999,30.646292,30.697196,,27.202604,28.13,30.641,,29.525,16.232324,19.974074,21.021512,23.72108,23.156672,,
2000,30.628094,30.68672,,27.148748,28.616,30.551,27.6368,29.5448,16.550708,20.050448,21.266906,23.806364,23.031968,,
2001,,30.695144,29.370542,27.263156,28.4738,30.5168,27.6584,29.5322,16.494458,19.978934,21.313652,23.724644,23.104634,,
2002,,,29.408072,27.3416,28.3856,30.4844,,29.489,16.52729,20.123006,21.254,23.627354,23.1422,,
2003,,,,,,,,,,,21.3404,,23.18,15.674,
2004,,,,,,,,,,,,,,15.818,
2005,30.632,,,27.662,28.751,,27.7124,,16.7234,20.2676,21.3476,23.79398,22.874,15.944,
2006,,,,27.788,28.8014,,27.8024,29.8076,16.79936,20.210468,21.370586,23.8496,22.87544,,
2007,30.6356,30.7166,29.4476,27.842,28.7888,,27.8042,29.9246,17.1212,20.5574,21.4664,23.8496,23.0252,16.16,
2008,30.6374,,29.156,27.5918,28.8698,30.4664,27.5954,30.0002,17.0618,20.3558,21.4628,23.7938,22.9136,16.16,16.403
2009,30.605,30.6752,29.0498,27.5144,28.895,30.4664,27.5954,29.975,17.2994,20.4998,21.407,23.684,22.9694,16.1906,
2010,30.5942,30.677,29.0246,27.3848,28.8428,30.4376,27.4244,30.0254,17.2418,20.7284,21.632,23.9036,23.3006,16.3418,16.4084
2011,30.587,30.677,29.0246,27.437,28.8446,30.3962,27.4892,29.9732,17.537,21.011,21.7436,24.1214,23.5202,16.5056,16.583
2012,30.587,30.7094,28.9976,27.6476,28.9472,30.3836,27.3848,30.0254,17.537,21.011,21.9686,24.2852,23.684,16.6046,16.6424
2013,30.587,30.7274,28.8104,27.6206,28.9472,30.3836,27.383,30.1424,17.6558,21.2378,21.9686,24.1754,23.684,16.6424,16.673
2014,30.6122,30.7292,28.9994,27.4694,28.8446,30.47,27.383,,17.8916,21.4628,22.0802,24.2312,23.8496,16.7018,16.7612
2015,30.6374,30.7418,29.246,27.7376,28.9472,30.5618,27.545,29.8724,18.1958,21.9398,22.3034,24.4202,24.044,16.8224,16.8818
2016,30.6518,30.7724,29.6312,27.806,29.156,30.614,27.7538,29.9246,18.3722,21.9182,22.532,24.7784,24.3986,17.0114,17.0726
2017,30.6896,30.7904,29.8274,27.9104,29.2064,30.614,27.9626,29.9336,18.6062,22.0874,22.5878,24.9404,24.3446,17.0726,17.1914
2018,30.6968,30.8174,30.0524,28.1444,29.3108,30.6392,28.1156,29.9246,18.8816,22.4204,22.6976,24.9404,24.4526,17.204,17.2922
2019,30.7112,30.8174,30.1802,28.6106,29.4116,30.6626,28.2722,30.0254,19.148,22.6328,22.91,25.1492,24.7712,17.411,17.5298
2020,30.7256,30.8264,30.308,28.8302,29.5646,30.6878,28.4288,,,22.6328,23.0756,25.3094,24.8252,,
2021,30.7436,30.8516,30.3584,28.7528,29.6168,30.74,28.5332,30.3332,19.1876,22.3556,23.1314,25.2284,24.3914,17.825,
2022,30.7346,30.8858,30.4592,28.4549,29.5142,30.7652,28.5836,30.4214,18.8816,22.1882,23.0756,25.1222,24.0638,17.825,17.825
2023,30.7346,,30.5096,28.5071,29.462,30.8156,28.5332,,18.851,22.2998,23.1314,25.0952,23.9846,17.825,17.8844