condition mean min max 4 h after light 878.1 878.1 878.1 8 h after light 887.35 767.5 1007.2 12 h after light 1278.35 1060.0 1496.7 4 h after dark 1336.5 1294.0 1379.0 8 h after dark 1233.7 1209.4 1258.0 12 h after dark 1088.4499999999998 942.3 1234.6