condition mean min max 4 h after light 1414.1 1414.1 1414.1 8 h after light 1637.6999999999998 1609.8 1665.6 12 h after light 1398.95 1244.0 1553.9 4 h after dark 1393.8 1192.5 1595.1 8 h after dark 1390.85 1330.5 1451.2 12 h after dark 1196.1 1126.0 1266.2