These estimates are used in federal funding allocations, as denominators for vital statistics rates and per capita time series, as survey controls and for monitoring recount demographic changes. With the July 1 estimate, the Census Bureau reviews the estimates for each year back to the last census. Previously published estimates are superseded. The state data are released at the end of the calendar year. The county and subcounty population data are updated in late spring or early summer.
Grass Valley Wilderness Area. Parks âº California âº Ridgecrest Rec. Management Area âº Points of Interest âº Forest/Natural Area. Grass Valley Wilderness Area is a series of scattered hills, reddish-brown to yellow in appearance and gently rising to elevations from 200 to 600 feet above the desert valley floor. Vegetation is typical of a creosote bush scrub community with a number of Joshua trees. Some wildlife in the area are raptor foraging and desert tortoise, along with Mohave ground squirrel habitat. This wilderness is bisected with a vehicle corridor running north-south, and visitors must remain on this route if traveling in any sort vehicle.
Grass Valley, CA Weather. The average temperature of Grass Valley is 57.84Â°F, which is lower than the California average temperature of 61.17Â°F and is higher than the national average temperature of 54.45Â°F. Historical Weather.