condition mean min max 4 h after light 1428.6483915 1246.754348 1610.542435 8 h after light 1180.703786 1103.616672 1257.7909 12 h after light 1199.61327 1184.609868 1214.616672 4 h after dark 1052.7838000000002 975.072277 1130.495323 8 h after dark 1161.7186505 1032.521874 1290.915427 12 h after dark 1340.412817 1340.412817 1340.412817