condition mean min max 3 h after light 747.451 730.459 769.644 6 h after light 662.231 649.699 673.38 9 h after light 437.592 381.794 482.186 12 h after light 169.85066666666668 156.598 177.202 3 h after dark 130.105 113.767 146.957 6 h after dark 188.037 184.29 194.604 9 h after dark 421.438 362.689 472.389 12 h after dark 897.7403333333333 839.371 954.344