condition	mean	min	max
4 h after light	4.399053333333334	4.35553	4.4596800000000005
8 h after light	4.396463333333333	4.34126	4.43863
12 h after light	4.329883333333334	4.21879	4.412780000000001
4 h after dark	4.32306	4.24021	4.40316
8 h after dark	4.39514	4.28069	4.56252
12 h after dark	4.385823333333334	4.31224	4.46002