condition mean min max 4 h after light 0.0133483 0.0 0.0266966 8 h after light 0.0 0.0 0.0 12 h after light 0.0205705 0.0 0.041141 4 h after dark 0.010349533333333332 0.0 0.0310486 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0