condition mean min max 4 h after light 33.7918 26.6243 40.9593 8 h after light 13.5498 12.7975 14.3021 12 h after light 11.56395 11.1493 11.9786 4 h after dark 21.76805 21.4656 22.0705 8 h after dark 54.64965 53.2304 56.0689 12 h after dark 55.456649999999996 49.5066 61.4067