condition mean min max 4 h after light 1289.6 1289.6 1289.6 8 h after light 1235.6999999999998 1211.1 1260.3 12 h after light 1257.5500000000002 1129.4 1385.7 4 h after dark 1493.3 1345.6 1641.0 8 h after dark 1577.85 1517.2 1638.5 12 h after dark 1443.6 1292.1 1595.1