condition mean min max 4 h after light 32.138547 25.996944 38.28015 8 h after light 58.1529615 31.765893 84.54003 12 h after light 32.0891765 28.38051 35.797843 4 h after dark 53.2415995 43.78559 62.697609 8 h after dark 40.236592 29.206498 51.266686 12 h after dark 17.659361 17.659361 17.659361