condition mean min max 4 h after light 1073.8 1073.8 1073.8 8 h after light 1395.35 1265.1 1525.6 12 h after light 1282.8000000000002 1093.2 1472.4 4 h after dark 1254.6 1202.4 1306.8 8 h after dark 1574.7 1373.9 1775.5 12 h after dark 1253.55 1246.5 1260.6