condition	mean	min	max
0 h after light	18.76935	18.4164	19.1223
4 h after light	17.90265	15.7722	20.0331
8 h after light	14.0855	13.6391	14.5319
4 h after dark	17.436	16.511	18.361
8 h after dark	21.571849999999998	21.1317	22.012
12 h after dark	18.3978	17.873	18.9226