| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.89 | 0.95 | -0.06 | 
| Feb | 1.09 | 1.22 | -0.13 | 
| Mar | 2.14 | 2.01 | 0.13 | 
| Apr | 3.83 | 3.61 | 0.22 | 
| May | 5.06 | 4.98 | 0.08 | 
| Jun | 5.14 | 5.31 | -0.17 | 
| Jul | 4.14 | 4.05 | 0.09 | 
| Aug | 4.15 | 4.01 | 0.14 | 
| Sep | 3.46 | 3.43 | 0.03 | 
| Oct | 2.56 | 2.58 | -0.02 | 
| Nov | 1.82 | 1.80 | 0.02 | 
| Dec | 1.32 | 1.42 | -0.10 | 
| 35.60 | 35.37 | 0.23 |