Definition of "likewise"

"But it looks like the kid ain't got no appetite to git well, for they misses him from the tent in the night and finds him rootin' in the grass, and likewise a drizzle fallin'. 'G'wan,' he says, 'lemme go and die like I wanter. He said I was a liar and a fake and I was playin' sick. Lemme alone.'

c. 1900, O. Henry, Hygeia at the Solito