condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.11018433333333333 0.0 0.330553 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.06341100000000001 0.0 0.190233 12 h after dark 0.0 0.0 0.0