condition	mean	min	max
4 h after light	22.89305	17.3115	28.4746
8 h after light	17.31735	14.6547	19.98
12 h after light	18.5666	12.8941	24.2391
4 h after dark	14.403133333333335	11.9807	18.2295
8 h after dark	19.36586666666667	17.7619	21.1306
12 h after dark	23.02146666666667	17.9276	26.1924