condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.020279366666666666 0.007142 0.0384786 12 h after light 0.01686 0.0 0.05058 4 h after dark 0.0 0.0 0.0 8 h after dark 0.010347566666666667 0.0 0.0310427 12 h after dark 0.0052258999999999995 0.0 0.0156777