condition mean min max 4 h after light 868.2874999999999 812.045 924.53 8 h after light 1032.665 1002.69 1062.64 12 h after light 654.4675 525.832 783.103 4 h after dark 511.5303333333333 500.541 532.489 8 h after dark 762.641 715.409 798.744 12 h after dark 874.766 853.597 900.704