condition mean min max 3 h after light 67.5135 63.7036 73.9251 6 h after light 31.1205 28.3148 34.6966 9 h after light 16.917733333333334 12.6327 21.0154 12 h after light 12.6902 11.5172 13.6058 3 h after dark 7.034713333333333 5.23408 8.47562 6 h after dark 10.16527 7.996 12.6923 9 h after dark 27.996299999999998 15.3382 39.4207 12 h after dark 69.40133333333334 65.0852 74.4697