condition	mean	min	max
4 h after light	23.87775	22.292	25.4635
8 h after light	25.740949999999998	22.4097	29.0722
12 h after light	17.083750000000002	15.0545	19.113
4 h after dark	18.389466666666667	16.3897	22.299
8 h after dark	17.739933333333333	14.4049	22.3504
12 h after dark	21.5332	19.3967	23.8181