condition mean min max 3 h after light 47.643233333333335 38.9471 52.8566 6 h after light 48.7296 40.3822 58.2396 9 h after light 54.538199999999996 54.2231 55.105 12 h after light 63.6105 59.4429 67.6691 3 h after dark 73.76173333333332 71.0663 76.7542 6 h after dark 68.31043333333334 66.3493 70.3059 9 h after dark 53.648833333333336 50.6209 56.3243 12 h after dark 35.19903333333333 29.0792 42.2965