condition	mean	min	max
4 h after light	4.280193333333334	4.20521	4.33239
8 h after light	4.33272	4.2592	4.37041
12 h after light	4.34588	4.124230000000001	4.54303
4 h after dark	4.332723333333333	4.28912	4.36335
8 h after dark	4.3997166666666665	4.28279	4.54484
12 h after dark	4.37509	4.2962	4.47652