Teale GIS Solutions Group
1997-01-01
State of California Precipitation
vector digital data
precipahttp://gis.ca.gov/catalog/BrowseRecord.epl?id=286
The 'PRECIPITATION' layer represents lines of equal rainfall (isohyets) based on long-term mean annual precipitation data compiled from USGS, California Department of Water Resources,and California Division of Mines map and information sources. Source maps are based primarily on U.S. Weather Service data for approximately 800 precipitation stations. In the Los Angeles and San Francisco Bay areas the USWS data has been supplemented by county and local agency precipitation data. The data was collected over a sixty year period (1900-1960). Minimum mapping unit is 1000+ acres. The isohyetal contour intervals are variable due to the degree of variation of annual precipitation with horizontal distance.
To provide information about percipitaion values to the public.
Data for the south Lahotan region was sparse due to a lack of precipitation stations, resulting in sketchy isohyets for that area. All maps used in the compilation of data were adjusted to a common scale of 1:1,000,000, resulting is some loss of precision. However, the inherent inaccuracies of an isohytal map for a mountainous region such as California are such that the resulting coverage is considered to be sufficiently precise for most uses.
en
1996-01-01
1996-12-31
publication date
-124.505024
-113.497854
42.068729
32.423529
-373901.812500540097.125000-604686.000000449858.625000
California
MEAR11MeteorologyRainfallPrecipitation1997
No Restrictions
No Redistribution
Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 8.3.0.800
Shapefile
Vector
G-polygon
492
SimplePolygonFALSE492TRUEFALSE
coordinate pair
0.002048
0.002048
meters
Albers Conical Equal Area34.00000040.500000-120.0000000.000000-4000000.000000
North American Datum of 1927
Clarke 1866
6378206.400000
294.978698
GCS_North_American_1927Custom
California Environmental Resources Evaluation System (CERES)
Ray McDowell
mailing
California Environmental Resources Evaluation System (CERES)
(916) 654-9990
ray@ceres.ca.gov
ARCE
1.3
1.669
http://gis.ca.gov/download.epl?catalog=casil&data_title=Precipitation&name=precipa
Downloadable Data
20040126
California Environmental Resources Evaluation System (CERES)
Ray McDowell
mailing
California Environmental Resources Evaluation System (CERES)
(916) 654-9990
ray@ceres.ca.gov
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
enhttp://www.esri.com/metadata/esriprof80.htmlESRI Metadata Profile
California Environmental Resources Evaluation System (CERES)
Ray McDowell
mailing
California Environmental Resources Evaluation System (CERES)
(916) 654-9990
ray@ceres.ca.gov
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