| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.24 | 2.20 | 0.04 | 
| Feb | 1.81 | 1.85 | -0.04 | 
| Mar | 2.33 | 2.38 | -0.05 | 
| Apr | 3.75 | 3.69 | 0.06 | 
| May | 4.49 | 4.47 | 0.02 | 
| Jun | 4.79 | 4.80 | -0.01 | 
| Jul | 4.32 | 4.35 | -0.03 | 
| Aug | 3.83 | 3.68 | 0.15 | 
| Sep | 3.12 | 3.19 | -0.07 | 
| Oct | 3.28 | 3.28 | 0.00 | 
| Nov | 2.65 | 2.66 | -0.01 | 
| Dec | 2.11 | 2.20 | -0.09 | 
| 38.72 | 38.75 | -0.03 |