condition mean min max 4 h after light 4.344545 4.02811 4.66098 8 h after light 6.33558 6.09084 6.58032 12 h after light 5.492455 4.73629 6.24862 4 h after dark 6.6334 6.28809 6.97871 8 h after dark 4.6377299999999995 4.40954 4.86592 12 h after dark 4.926965 3.33608 6.51785