condition	mean	min	max
4 h after light	13.139673333333334	13.037230000000001	13.23797
8 h after light	13.232893333333333	13.19439	13.27263
12 h after light	13.23636	13.207479999999999	13.291820000000001
4 h after dark	13.212750000000002	13.07313	13.3152
8 h after dark	12.975276666666666	12.86425	13.06149
12 h after dark	12.96267	12.88884	13.02313