condition mean min max 4 h after light 1274.9451279999998 952.809082 1597.081174 8 h after light 694.3072285000001 525.720954 862.893503 12 h after light 583.6210135 536.465265 630.776762 4 h after dark 421.8906865 382.266709 461.514664 8 h after dark 507.127101 383.650357 630.603845 12 h after dark 1474.385903 1474.385903 1474.385903