condition mean min max 4 h after light 217.037677 196.164554 237.9108 8 h after light 192.93564350000003 172.976873 212.894414 12 h after light 228.33959049999999 208.394333 248.284848 4 h after dark 254.6959475 254.001288 255.390607 8 h after dark 276.23110499999996 273.770518 278.691692 12 h after dark 259.890638 259.890638 259.890638