condition mean min max 4 h after light 1424.2 1424.2 1424.2 8 h after light 1169.3000000000002 885.7 1452.9 12 h after light 706.0 525.4 886.6 4 h after dark 640.2 524.0 756.4 8 h after dark 635.15 449.9 820.4 12 h after dark 1240.15 832.4 1647.9