condition mean min max 3 h after light 63.46276666666667 60.0143 67.9797 6 h after light 57.241733333333336 47.02 68.6992 9 h after light 60.0005 51.9339 71.8121 12 h after light 67.7144 61.8165 78.3224 3 h after dark 117.28533333333333 111.692 121.704 6 h after dark 123.742 120.025 127.178 9 h after dark 90.27163333333333 84.0928 93.5699 12 h after dark 50.6936 47.4768 53.9104