| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.97 | 4.16 | -0.19 | 
| Feb | 3.50 | 3.59 | -0.09 | 
| Mar | 4.85 | 5.14 | -0.29 | 
| Apr | 4.37 | 4.68 | -0.31 | 
| May | 3.49 | 3.43 | 0.06 | 
| Jun | 3.95 | 4.08 | -0.13 | 
| Jul | 3.24 | 3.24 | 0.00 | 
| Aug | 3.69 | 3.75 | -0.06 | 
| Sep | 3.98 | 4.06 | -0.08 | 
| Oct | 4.56 | 4.69 | -0.13 | 
| Nov | 4.21 | 4.24 | -0.03 | 
| Dec | 4.78 | 4.97 | -0.19 | 
| 48.59 | 50.03 | -1.44 |