condition	mean	min	max
4 h after light	2.848565	2.80832	2.88881
8 h after light	3.752565	2.98273	4.5224
12 h after light	3.77801	3.12242	4.4336
4 h after dark	4.380063333333333	4.01473	5.05959
8 h after dark	4.79576	4.72152	4.90267
12 h after dark	3.6007966666666666	2.18347	4.75576