condition	mean	min	max
4 h after light	12.683150000000001	11.3954	13.9709
8 h after light	8.48538	7.81736	9.1534
12 h after light	9.003115000000001	8.59636	9.40987
4 h after dark	11.465233333333334	11.3815	11.6199
8 h after dark	13.5272	12.2496	15.2527
12 h after dark	11.7595	11.4014	11.9424