| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.04 | 2.06 | -0.02 | 
| Feb | 1.73 | 1.86 | -0.13 | 
| Mar | 2.46 | 2.59 | -0.13 | 
| Apr | 3.57 | 3.64 | -0.07 | 
| May | 4.66 | 4.61 | 0.05 | 
| Jun | 4.27 | 4.43 | -0.16 | 
| Jul | 3.84 | 3.98 | -0.14 | 
| Aug | 3.64 | 3.61 | 0.03 | 
| Sep | 3.35 | 3.46 | -0.11 | 
| Oct | 3.02 | 2.99 | 0.03 | 
| Nov | 2.54 | 2.66 | -0.12 | 
| Dec | 2.04 | 2.14 | -0.10 | 
| 37.16 | 38.03 | -0.87 |