condition mean min max 4 h after light 313.6610455 301.155134 326.166957 8 h after light 305.2706795 283.602856 326.938503 12 h after light 335.330146 314.385903 356.274389 4 h after dark 261.318828 252.988604 269.649052 8 h after dark 304.757509 296.596398 312.91862 12 h after dark 301.155134 301.155134 301.155134