TITLE: Mesonet Arizona Pima County ALERT Precipitation Data
     
CONTACTS:


Andrew J. Wigg
Principal Hydrologist
Pima County Regional Flood Control District
201 N. Stone Ave., 4th Floor
Tucson, Arizona 85701
Phone: (520) 740-6350
Andy.Wigg@dot.pima.gov



1.0  DATA SET OVERVIEW
     

This data set contains the precipitation  data from the Pima
County ALERT precipitation gagge network.  There are a total of 84 stations
included in the data set.  Data are event-based.  The stations are located 
throughout Pima County in Arizona.  This data set covers the period from 
1 June to 30 September 2004.  The data are in ASCII format.


2.0  INSTRUMENT DESCRIPTION

2.1  Instrumentation Information

The rain gages are tipping bucket type and are set to tip at 1mm (0.04 inch)
intervals.  All precipitation gages are approximately 10 feet above the 
ground surface.

2.2  Station Locations

See the file PCALERTLOC_072004.xls included as part of your data order.


3.0  DATA COLLECTION AND PROCESSING


No information on any Pima County processing at present.

UCAR/JOSS conducted no processing or quality control on these data.


4.0  DATA FORMAT AND FILE NAMING


4.1  Data Format
 
These data are in columnar ASCII format. 

Each file contains some header records that describe the 
station ids, paramters, and units.

The dates and times are Mountain Standard Time.

6350 Elephant Head Butte
Precipitation
Date       Time      inches
09/30/2004 23:30:35    4.92
09/30/2004 11:18:44    4.92
09/29/2004 23:06:54    4.92


4.2  File Naming conventions

6410.TXT where 6410 is the station identifier from the station list
mentioned above.


5.0  DATA REMARKS


None.


6.0  REFERNCES


None.