The rainfall input data is hourly amounts in hundredths of inches.
 
Each line of data contains:

 
The remainder of the line contains the hourly rainfall amounts.  These are specified as day (2 columns), hour (2 columns) and amount (4 columns) with all data right justified.
 
There are a maximum of 12 Day-Hour-Rainfall values per line.  A new line is started whenever the month changes.

 

Example Rainfall File for the month of January, 1959
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ID    YR   M  D H   R D H   R D H   R D H   R D H   R D H  R D H   R D H   R D H   R D H   R D H   R D H   R
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319476 1959 1  114   9 115   2 116   2 117   3 118  16 119  22 120  4 123   1 124   4 2 1   5 2 2   3 2 3   1
319476 1959 1  2 4   2 816   6 817   6 818   5 819   8 820   1 821  5 822   1 824   116 8   116 9   11611   5
319476 1959 1 1612   31613   11614   422 2  6722 3  1322 4  1222 5  82811   12812   12813   331 2   131 3  
319476 1959 1 31 4   231 5   131 6   131 7   131 8   1  
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* ID is station ID, Y is year, M is month, D is day of the month, H is hour and R is rainfall in hundredths of inches.

 

How to generate rainfall file.