condition mean min max 3 h after light 0.05489 0.0 0.16467 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0795361 0.0 0.140312 3 h after dark 0.037814 0.0 0.113442 6 h after dark 0.074953 0.0 0.118576 9 h after dark 0.120046 0.0 0.360138 12 h after dark 0.143862 0.117221 0.166712