condition mean min max 0 h after light 17.3962 10.9843 23.8081 2 h after light 6.1727050000000006 5.28117 7.06424 4 h after light 5.613745 4.83419 6.3933 8 h after light 6.135875 5.77363 6.49812 12 h after light 11.19205 10.9311 11.453 2 h after dark 15.518999999999998 13.7053 17.3327 4 h after dark 17.056350000000002 16.6238 17.4889 8 h after dark 21.649250000000002 19.3189 23.9796 12 h after dark 20.091900000000003 16.5852 23.5986