condition mean min max 4 h after light 4.66572 4.45909 4.87235 8 h after light 3.514945 3.42464 3.60525 12 h after light 5.57048 5.51121 5.62975 4 h after dark 8.54698 7.55581 9.34945 8 h after dark 7.501576666666667 6.86833 8.10432 12 h after dark 4.512980000000001 2.75578 5.78401