condition mean min max 4 h after light 38.0 38.0 38.0 8 h after light 56.9 42.0 71.8 12 h after light 60.95 52.5 69.4 4 h after dark 57.2 42.5 71.9 8 h after dark 57.8 56.4 59.2 12 h after dark 59.05 43.9 74.2