condition mean min max 4 h after light 137.64560749999998 127.616672 147.674543 8 h after light 118.2005045 109.168952 127.232057 12 h after light 138.404678 127.616672 149.192684 4 h after dark 134.826945 132.638541 137.015349 8 h after dark 155.86445750000001 125.650704 186.078211 12 h after dark 148.837598 148.837598 148.837598