condition mean min max 0 h after light 17.4921 16.9477 18.0365 2 h after light 20.734949999999998 20.6189 20.851 4 h after light 16.39945 16.2336 16.5653 8 h after light 16.4043 15.3063 17.5023 12 h after light 23.50705 23.3912 23.6229 2 h after dark 20.89065 17.9786 23.8027 4 h after dark 20.0988 19.7573 20.4403 8 h after dark 20.2123 20.1302 20.2944 12 h after dark 19.5651 18.1595 20.9707