condition	mean	min	max
4 h after light	6.5829450000000005	6.54104	6.62485
8 h after light	4.8947	4.7845	5.0049
12 h after light	4.435734999999999	4.28743	4.58404
4 h after dark	3.77739	3.54305	4.01173
8 h after dark	3.957675	3.82683	4.08852
12 h after dark	5.83712	5.68535	5.98889