condition mean min max 3 h after light 48.41146666666667 40.4953 57.3431 6 h after light 65.71563333333333 55.8554 71.8088 9 h after light 83.44996666666667 77.5202 93.7573 12 h after light 87.8579 77.2341 112.826 3 h after dark 138.159 135.78 142.669 6 h after dark 123.983 111.304 131.741 9 h after dark 87.94603333333333 82.262 92.8943 12 h after dark 61.50135 54.421 68.5817