| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.75 | 1.89 | -0.14 | 
| Feb | 1.73 | 1.85 | -0.12 | 
| Mar | 2.23 | 2.28 | -0.05 | 
| Apr | 3.76 | 3.76 | 0.00 | 
| May | 4.75 | 4.73 | 0.02 | 
| Jun | 4.34 | 4.28 | 0.06 | 
| Jul | 3.79 | 3.71 | 0.08 | 
| Aug | 3.91 | 3.81 | 0.10 | 
| Sep | 3.24 | 3.31 | -0.07 | 
| Oct | 3.33 | 3.36 | -0.03 | 
| Nov | 2.53 | 2.54 | -0.01 | 
| Dec | 1.99 | 2.11 | -0.12 | 
| 37.35 | 37.63 | -0.28 |