condition mean min max 2 h after light 649.3996666666667 530.422 837.751 6 h after light 649.7495 582.56 766.438 10 h after light 666.5706666666667 528.187 810.505 14 h after light 588.0360000000001 454.3 712.368 18 h after light 522.6201666666667 359.35 666.253 2 h after dark 751.768 515.704 1033.47