condition	mean	min	max
4 h after light	17.279043333333334	10.9722	22.07854
8 h after light	9.076545333333334	8.050694	11.09497
12 h after light	9.932775666666666	9.292117	10.496319999999999
16 h after light	20.40845	14.117389999999999	26.49261
4 h after dark	12.987206666666667	11.622710000000001	14.438939999999999
8 h after dark	11.4711	10.14325	12.96306