condition	mean	min	max
0 h after light	18.2265	17.7429	18.7101
4 h after light	17.3449	16.8893	17.8005
8 h after light	17.0717	16.399	17.7444
4 h after dark	19.18475	18.4194	19.9501
8 h after dark	19.126849999999997	18.8542	19.3995
12 h after dark	17.14685	16.4969	17.7968