condition mean min max 4 h after light 8.055045 7.66475 8.44534 8 h after light 6.3978649999999995 5.59192 7.20381 12 h after light 8.296615 6.47523 10.118 4 h after dark 5.848346666666667 3.53596 7.06165 8 h after dark 9.363323333333334 7.51595 11.5229 12 h after dark 8.568463333333334 8.27506 9.05688