condition mean min max 4 h after light 1105.6 1105.6 1105.6 8 h after light 996.0999999999999 789.6 1202.6 12 h after light 1008.2 963.4 1053.0 4 h after dark 1077.55 946.9 1208.2 8 h after dark 1316.45 1233.5 1399.4 12 h after dark 1425.25 1415.4 1435.1