condition	mean	min	max
0 h after light	21.5397	21.5205	21.5589
4 h after light	18.285899999999998	18.0946	18.4772
8 h after light	10.262975	9.29465	11.2313
4 h after dark	16.7194	15.1277	18.3111
8 h after dark	20.86125	18.6129	23.1096
12 h after dark	20.4595	19.2092	21.7098