condition	mean	min	max
4 h after light	5.154675	4.81913	5.49022
8 h after light	2.754045	2.60297	2.90512
12 h after light	5.7505500000000005	4.23873	7.26237
4 h after dark	19.4894	16.2865	22.6923
8 h after dark	16.129649999999998	14.9302	17.3291
12 h after dark	8.156225	7.46362	8.84883