condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0931009 0.0492859 0.175505 12 h after light 0.06045205000000001 0.0 0.153927 3 h after dark 0.018870733333333334 0.0 0.0566122 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0213027 0.0 0.0426054