condition mean min max 4 h after light 2192.7 2192.7 2192.7 8 h after light 2679.8 2291.4 3068.2 12 h after light 1669.95 131.9 3208.0 4 h after dark 1505.0500000000002 141.3 2868.8 8 h after dark 3912.95 2002.7 5823.2 12 h after dark 1627.95 701.9 2554.0