condition mean min max 4 h after light 6.12008 2.82247 8.33484 8 h after light 5.335383333333333 1.16001 8.48552 12 h after light 5.105143333333333 3.57164 6.61068 4 h after dark 8.719289999999999 5.86581 10.8408 8 h after dark 6.597683333333333 4.51441 7.83757 12 h after dark 8.16251 7.16109 9.48245