condition mean min max 4 h after light 32.955650000000006 32.6362 33.2751 8 h after light 30.007550000000002 29.5112 30.5039 12 h after light 55.57985 54.6655 56.4942 4 h after dark 56.4906 56.0028 56.9784 8 h after dark 69.9608 65.9165 74.0051 12 h after dark 58.6109 57.035 60.1868