condition mean min max 4 h after light 4.34264 4.20496 4.44227 8 h after light 4.43425 4.40013 4.45585 12 h after light 4.417276666666667 4.286580000000001 4.52245 4 h after dark 4.44662 4.36764 4.49695 8 h after dark 4.319496666666667 4.27372 4.37073 12 h after dark 4.203433333333333 4.1268199999999995 4.33742