condition	mean	min	max
4 h after light	15.3686915	12.919836	17.817547
8 h after light	13.993589	11.291068	16.69611
12 h after light	11.0782275	10.041495	12.11496
4 h after dark	13.026961499999999	12.735398	13.318525
8 h after dark	15.321938	10.826392	19.817484
12 h after dark	15.161338	15.161338	15.161338