condition mean min max 4 h after light 0.01371945 0.0 0.0274389 8 h after light 0.0 0.0 0.0 12 h after light 0.01097735 0.0 0.0219547 4 h after dark 0.0025593593333333334 0.0 0.00721012 8 h after dark 0.0012519133333333333 0.0 0.00375574 12 h after dark 0.0 0.0 0.0