condition mean min max 4 h after light 163.5453295 143.627833 183.462826 8 h after light 189.7808045 179.385903 200.175706 12 h after light 185.411553 174.052588 196.770518 4 h after dark 182.7798555 181.250731 184.30898 8 h after dark 215.6934085 187.604534 243.782283 12 h after dark 149.377542 149.377542 149.377542