condition mean min max 4 h after light 359.8 359.8 359.8 8 h after light 421.6 400.3 442.9 12 h after light 586.65 492.5 680.8 4 h after dark 571.75 558.6 584.9 8 h after dark 567.15 473.4 660.9 12 h after dark 509.79999999999995 446.7 572.9