condition mean min max 3 h after light 0.0327873 0.0 0.0983619 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.029249724999999997 0.0 0.0596122 3 h after dark 0.1295798 0.0930024 0.147872 6 h after dark 0.035263666666666665 0.0 0.105791 9 h after dark 0.07240813333333333 0.0543146 0.0955769 12 h after dark 0.073218 0.0 0.146436