condition mean min max 4 h after light 13.827721 12.993054 14.662388 8 h after light 12.8936175 10.203778 15.583457 12 h after light 11.446256 10.908537 11.983975 4 h after dark 12.43557 12.43557 12.43557 8 h after dark 11.1913595 9.604388 12.778331 12 h after dark 11.908075 11.908075 11.908075