condition	mean	min	max
4 h after light	8.566805500000001	8.55975	8.573861
8 h after light	8.1918745	7.57926	8.804489
12 h after light	8.9643785	8.806312	9.122445
4 h after dark	8.950939	8.573861	9.328017
8 h after dark	9.79652	8.55975	11.03329
12 h after dark	7.991207	7.991207	7.991207