Precipitation Rate Analysis Worksheet

Enter the required data below to calculate the Distribution Uniformity (DU) and average precipitation rate of your audit.  (Want data in Excel spreadsheet?  Click Here)
Name:  
Site:  
Date:  
Time of Test (ex. 2:00 PM):
Elapsed Time (minutes):
Catchment Opening Area (Sq. In.):

Enter the catchment data below in milliliters from your catchment readings.  Typically this data would result in pouring your catchments into a graduated cylinder or directly reading a catchment calibrated in milliliters. Enter catchments in groups of four to properly calculate the Low Quarter. 4-24 catchments can be entered.  Note:  For Ag drip and micro sprinkler audits enter the spacing in square inches for the catchment area to correctly calculate the precipitation rate.

Container # Volume (ml)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Comments: Enter other comments relevant to the audit.