condition	mean	min	max
4 h after light	9.6973	9.54542	9.798110000000001
8 h after light	9.309273333333334	9.204080000000001	9.392560000000001
12 h after light	9.729893333333333	9.54533	9.84225
4 h after dark	9.766680000000001	9.38809	10.07352
8 h after dark	9.899363333333334	9.65049	10.107330000000001
12 h after dark	9.942003333333334	9.78683	10.110560000000001