condition mean min max 4 h after light 63.9 63.9 63.9 8 h after light 45.5 43.1 47.9 12 h after light 53.900000000000006 16.6 91.2 4 h after dark 58.2 54.3 62.1 8 h after dark 47.05 41.1 53.0 12 h after dark 18.75 3.0 34.5