condition mean min max 2 h after light 45.7794 36.3986 53.7812 6 h after light 46.02515 31.9325 60.0853 10 h after light 29.33905 24.1654 36.6853 14 h after light 30.10285 21.4625 39.474 18 h after light 31.66705 22.6156 39.9492 2 h after dark 31.273716666666665 20.9575 41.6361