condition mean min max 0 h after light 45.97125 45.2445 46.698 2 h after light 41.458 31.4569 51.4591 4 h after light 30.50685 18.3099 42.7038 8 h after light 36.1151 28.8262 43.404 12 h after light 57.45865 56.2816 58.6357 2 h after dark 37.9446 28.8458 47.0434 4 h after dark 41.2434 35.9063 46.5805 8 h after dark 51.7757 40.522 63.0294 12 h after dark 48.703050000000005 39.8781 57.528