condition	mean	min	max
4 h after light	8.787355	3.89021	13.6845
8 h after light	15.94125	10.9796	20.9029
12 h after light	26.88755	25.0226	28.7525
4 h after dark	20.3877	19.0364	22.2333
8 h after dark	10.926563333333334	9.6757	13.4275
12 h after dark	7.30957	4.71576	9.22246