condition	mean	min	max
3 h after light	15.1182	12.28	19.0207
6 h after light	15.5805	12.2675	18.3967
9 h after light	17.446033333333332	13.8179	21.9364
12 h after light	19.351174999999998	18.4242	20.7534
3 h after dark	24.3091	21.837	29.0271
6 h after dark	21.071233333333332	17.9452	23.1936
9 h after dark	15.228066666666667	10.9137	19.5984
12 h after dark	11.30195	10.6761	11.9278