condition mean min max 0 h after light 6.0316849999999995 5.95555 6.10782 4 h after light 6.37566 5.7811 6.97022 8 h after light 4.840795 4.43135 5.25024 4 h after dark 6.437605 6.29002 6.58519 8 h after dark 7.220975 6.9828 7.45915 12 h after dark 5.875249999999999 5.54245 6.20805