condition mean min max 4 h after light 23.93695 16.0946 31.7793 8 h after light 11.569925000000001 8.27025 14.8696 12 h after light 14.0881 11.786 16.3902 4 h after dark 14.848866666666666 13.2309 16.07 8 h after dark 18.416166666666665 17.5479 20.0381 12 h after dark 29.9188 26.3108 35.4224