condition	mean	min	max
0 h after light	22.07435	20.4849	23.6638
4 h after light	14.04145	12.6086	15.4743
8 h after light	16.623849999999997	16.5171	16.7306
4 h after dark	24.9665	21.8261	28.1069
8 h after dark	19.8134	19.527	20.0998
12 h after dark	17.337249999999997	16.0705	18.604