KALAMA, Wash. -- It was a big morning for a small post office in Kalama, Wash., which opened its doors for the first time since a devastating flood in December 2015.

The fanfare included a two-hour Customer Appreciation Day event Monday morning.

The building at 454 1st St., had been closed since heavy rain caused floods and landslides across the area.

Sandbags did little to stop the rush of more than a foot of water that covered parts of downtown Kalama, flooding homes and businesses, including city hall and the public library.

Photos: Flooding, landslides hit Kalama area

"We're very excited to welcome everyone in Kalama back to celebrate our reopening,” said officer in charge JoAnna Durrett. "We certainly appreciate our customers' patience while the post office was closed for repairs.”

The Kalama Post Office's regular weekday retail hours are from 8:30 a.m. to 5 p.m. The P.O. box lobby is accessible 24 hours a day.

The Postal Service receives no tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.