| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.77 | 4.74 | 0.03 | 
| Feb | 4.72 | 4.78 | -0.06 | 
| Mar | 4.84 | 4.94 | -0.10 | 
| Apr | 3.99 | 4.17 | -0.18 | 
| May | 3.69 | 3.65 | 0.04 | 
| Jun | 4.43 | 4.35 | 0.08 | 
| Jul | 4.92 | 4.86 | 0.06 | 
| Aug | 4.28 | 4.30 | -0.02 | 
| Sep | 3.75 | 3.94 | -0.19 | 
| Oct | 3.43 | 3.46 | -0.03 | 
| Nov | 4.06 | 4.16 | -0.10 | 
| Dec | 4.66 | 4.72 | -0.06 | 
| 51.54 | 52.07 | -0.53 |