Unlike the rest of California, the drought is over for the moment in Marin County.

A cascade of storms that swamped the region for two weeks fell short of setting rainfall records for December, but runoff filled county reservoirs in what seemed like lightning speed.

Marin Municipal Water District reservoirs were brimming at 99.8 percent capacity Sunday, and the water level continued to rise at Kent Lake as the last significant storm on the horizon for a week blew through.

Smaller reservoirs are spilling, and Kent Lake, the district’s biggest, could spill soon.

“It is really remarkable,” water district spokeswoman Libby Pischel said, noting that reservoir storage has flipped from below average to above average in just three weeks. On average, reservoirs are at 69 percent capacity at this time of year.

So far this fiscal year, Lake Lagunitas has posted 30.58 inches. Average rainfall for the fiscal year through next July is about 52 inches.

Since the storms began on Nov. 28, Lake Lagunitas has logged 25.21 inches, more than double the average 9.61 inches for December, but trailing a record 32.86 inches in 1884.

Other top rainfall totals at the lake for the month of December include 34.5 inches in 1955, as well as 29.61 inches in 2002 and 27.94 inches in 1889. In 2005, officials recorded 27.13 inches.

National Weather Service forecaster Ryan Walbrun confirmed that this December’s deluge hasn’t approached record levels for other Marin locales, either.

In San Rafael, for example, the federal measurement totals 17.33 inches so far this month, making it the seventh wettest December on record in the city. San Rafael’s wettest December was in 1955, when 22.66 inches fell. Some 20.57 inches fell in December 2002, making it the second wettest, and 17.78 inches in 2005, the fourth wettest December.

In Kentfield, National Weather Service meteorologist Rick Canapa added, 19.77 inches have fallen this month, making it the area’s 14th wettest December. Kentfield’s wettest December came in 1955, with 32.87 inches. December 2005, with 28.54 inches, was in second place. Another big year, and ranking fourth, was 2002 with 24.10 inches.

Although falling short of record rain, the month has been so wet that there is a “good sized improvement to the drought conditions in the San Francisco Bay Area,” said National Weather Service forecaster Logan Johnson. “Statewide, we went from 55 percent of the state in exceptional drought to 32 percent of the state in exceptional drought … all due to recent rainfall,” he said. Sierra snowpack has doubled so far this month to 48 percent of normal.

“The outlooks for the remainder of this month do show returning of drier conditions, but this does not mean the rain is done,” he said. “It is a long season ahead of us,” with “above normal” rain expected in January and February, he added.

“Clearly we’re in excellent shape,” water district spokeswoman Pischel said, adding that it’s no time to ease up on conservation. “Efficient water use” remains of critical importance, she said, noting there is no guarantee rain will continue to be plentiful.

Last week, Marin customers on average were in line with Gov. Jerry Brown’s statewide conservation call, using 81 gallons of water a day per person, down from 102 gallons during the same week last year. State water officials last month reported some Southern California communities were using more than 500 gallons per person a day.

State officials and weather experts joined Marin Municipal Water District officials in warning the storms may not signal the beginning of an end to the drought.

“A deluge like this makes us feel, ‘Oh, my God, it must be over,’” Felicia Marcus, head of the state Water Resources Control Board, told the Associated Press. “We are in a really deep hole,” she said of California. “We have to act like we are in the drought of our lives.”

Scientists estimate it would take 11 trillion gallons to replenish the state’s groundwater.