condition mean min max 0 h after light 1430.66 1403.39 1457.93 4 h after light 1698.655 1576.96 1820.35 8 h after light 1158.185 1128.01 1188.36 4 h after dark 1041.3049999999998 1011.28 1071.33 8 h after dark 1474.68 1448.14 1501.22 12 h after dark 1641.885 1578.92 1704.85