condition	mean	min	max
4 h after light	6.877945	5.27176	8.48413
8 h after light	10.321204999999999	9.62951	11.0129
12 h after light	18.0689	17.4624	18.6754
4 h after dark	22.276333333333334	22.176	22.4189
8 h after dark	17.535166666666665	16.6257	18.4581
12 h after dark	11.5692	11.3598	11.7966