condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0419814 0.0379047 0.0460581 4 h after dark 0.033555999999999996 0.0 0.100668 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0