condition mean min max 0 h after light 7.81798 7.04461 8.59135 4 h after light 3.92856 3.01982 4.8373 8 h after light 5.60901 5.60595 5.61207 4 h after dark 8.289 8.12195 8.45605 8 h after dark 6.132664999999999 5.77975 6.48558 12 h after dark 7.4273299999999995 5.98426 8.8704