The recent rain was a welcome relief for everyone concerned about the drought.
However, it was a drop in the bucket compared to the average level of precipitation that we are used to getting by this time of year. It helped save one area, the Southern Sierra Mountains, from having the driest season on record.
There have been two winters that were drier 1976-1977, and 1923-1924 which was the driest according to the California Department of Water Resources.
Precipitation in the Southern Sierra Mountains is a major source of water for Southern California. There are five monitoring stations that keep track of precipitation.
The chart shows levels before the storm, after the storm, and what the average precipitation has been in the past. We are currently about half way to the average precipitation with only two months left in the rainy season.
The LA County of Public Works estimates that this weekend's storm will supply drinking water to more than 144,000 people for a year.
LA County has taken steps to increase the amount of stormwater that can be recovered from the mountains.
Equipment upgrades have enabled the storage capability of Morris Reservoir above Azusa to be increased 10 percent.