condition	mean	min	max
4 h after light	12.14508	9.40286	14.8873
8 h after light	7.354379999999999	6.6484	8.06036
12 h after light	15.623650000000001	15.5516	15.6957
4 h after dark	28.9407	26.8411	32.6405
8 h after dark	26.832633333333334	23.1211	29.9761
12 h after dark	12.532333333333334	11.1611	14.5277