condition	mean	min	max
4 h after light	3.4391499999999997	3.28295	3.59535
8 h after light	5.076555	4.98885	5.16426
12 h after light	5.89775	5.74864	6.04686
4 h after dark	7.154503333333333	6.95392	7.32208
8 h after dark	7.326553333333334	6.84417	8.028
12 h after dark	5.12105	4.41018	6.05666