condition mean min max 4 h after light 176.3 176.3 176.3 8 h after light 510.75 346.2 675.3 12 h after light 583.2 535.6 630.8 4 h after dark 465.34999999999997 327.4 603.3 8 h after dark 338.35 270.5 406.2 12 h after dark 258.9 171.7 346.1