Unusually warm temperatures and a surprisingly dry September and October have been guilty pleasures for some British Columbians in recent months. While being able to enjoy sunshine and not having to carry a raincoat or umbrella for the first few weeks of fall is a nice change of pace, a lack of precipitation that's drying up creeks, streams and lakes is a real cause for concern. "It's extremely rare," David Campbell, the head of the B.C. River Forecast Centre, said in an interview.