condition mean min max 2 h after light 868.024 853.815 879.423 6 h after light 925.8986666666667 908.101 935.398 10 h after light 795.0043333333333 770.464 842.295 2 h after dark 744.16 706.016 777.118 6 h after dark 732.659 701.327 748.576 10 h after dark 682.66 662.23 693.074