condition mean min max 2 h after light 136.3465 109.342 156.46 6 h after light 95.85865 71.1172 116.787 10 h after light 81.05584999999999 64.5627 112.814 14 h after light 78.97691666666667 51.5016 101.09 18 h after light 85.20171666666667 64.947 99.7071 2 h after dark 90.809 69.0564 113.369