| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.56 | 2.64 | -0.08 | 
| Feb | 2.03 | 2.10 | -0.07 | 
| Mar | 2.31 | 2.28 | 0.03 | 
| Apr | 3.63 | 3.69 | -0.06 | 
| May | 3.98 | 4.04 | -0.06 | 
| Jun | 3.68 | 3.75 | -0.07 | 
| Jul | 3.43 | 3.37 | 0.06 | 
| Aug | 3.58 | 3.58 | 0.00 | 
| Sep | 3.21 | 3.19 | 0.02 | 
| Oct | 3.85 | 3.70 | 0.15 | 
| Nov | 2.90 | 2.97 | -0.07 | 
| Dec | 2.40 | 2.53 | -0.13 | 
| 37.56 | 37.84 | -0.28 |