condition	mean	min	max
4 h after light	4.916666666666666	4.85623	4.975969999999999
8 h after light	4.91743	4.88605	4.95376
12 h after light	4.957843333333333	4.89845	5.02807
4 h after dark	4.8801033333333335	4.72279	5.0593900000000005
8 h after dark	4.865489999999999	4.79274	4.9101099999999995
12 h after dark	4.95861	4.90479	5.03343