condition	mean	min	max
4 h after light	16.65335	15.3261	17.9806
8 h after light	16.42225	16.197	16.6475
12 h after light	16.5157	16.4073	16.6241
4 h after dark	29.65245	29.0225	30.2824
8 h after dark	28.04365	26.69	29.3973
12 h after dark	23.65235	22.09	25.2147