condition mean min max 0 h after light 34.61035 32.1718 37.0489 4 h after light 36.682649999999995 32.5759 40.7894 8 h after light 40.663 37.4491 43.8769 4 h after dark 44.567099999999996 43.7427 45.3915 8 h after dark 38.35155 33.5345 43.1686 12 h after dark 34.0895 32.681 35.498