| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.76 | 1.78 | -0.02 | 
| Feb | 1.69 | 1.79 | -0.10 | 
| Mar | 2.22 | 2.26 | -0.04 | 
| Apr | 3.64 | 3.60 | 0.04 | 
| May | 4.71 | 4.69 | 0.02 | 
| Jun | 4.55 | 4.38 | 0.17 | 
| Jul | 3.90 | 3.73 | 0.17 | 
| Aug | 3.98 | 3.80 | 0.18 | 
| Sep | 3.45 | 3.34 | 0.11 | 
| Oct | 3.14 | 3.16 | -0.02 | 
| Nov | 2.48 | 2.41 | 0.07 | 
| Dec | 1.97 | 2.05 | -0.08 | 
| 37.49 | 36.99 | 0.50 |