condition mean min max 4 h after light 1422.6 1422.6 1422.6 8 h after light 1484.1 1297.2 1671.0 12 h after light 1806.0500000000002 1606.2 2005.9 4 h after dark 2203.35 1678.7 2728.0 8 h after dark 1974.45 1214.4 2734.5 12 h after dark 1699.3 1571.8 1826.8