condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.08011163333333333 0.0 0.200657 12 h after light 0.015059566666666666 0.0 0.0304735 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0