condition	mean	min	max
4 h after light	14.28595	11.0396	17.5323
8 h after light	14.05425	13.2167	14.8918
12 h after light	11.9473	11.1914	12.7032
4 h after dark	14.810266666666667	13.6718	16.6823
8 h after dark	17.6503	15.7729	18.8327
12 h after dark	12.313933333333333	11.5688	13.5377