| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.51 | 3.66 | -0.15 | 
| Feb | 2.94 | 2.98 | -0.04 | 
| Mar | 4.15 | 4.18 | -0.03 | 
| Apr | 3.67 | 3.69 | -0.02 | 
| May | 3.71 | 3.73 | -0.02 | 
| Jun | 4.33 | 4.25 | 0.08 | 
| Jul | 4.68 | 4.61 | 0.07 | 
| Aug | 4.52 | 4.38 | 0.14 | 
| Sep | 4.83 | 5.10 | -0.27 | 
| Oct | 3.50 | 3.49 | 0.01 | 
| Nov | 3.30 | 3.34 | -0.04 | 
| Dec | 3.53 | 3.56 | -0.03 | 
| 46.67 | 46.97 | -0.30 |