condition mean min max 4 h after light 8.888085 8.73898 9.03719 8 h after light 18.263199999999998 16.892 19.6344 12 h after light 33.7206 31.4342 36.007 4 h after dark 17.475133333333332 14.8019 19.5451 8 h after dark 9.777013333333333 8.89754 10.3272 12 h after dark 10.785276666666666 9.43883 12.7278