condition mean min max 4 h after light 35.3267 31.4444 39.209 8 h after light 35.0606 33.6433 36.4779 12 h after light 36.9781 34.6017 39.3545 4 h after dark 26.46235 25.815 27.1097 8 h after dark 29.262700000000002 29.2574 29.268 12 h after dark 31.44795 30.59 32.3059