| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.14 | 2.47 | -0.33 | 
| Feb | 1.77 | 2.02 | -0.25 | 
| Mar | 2.20 | 2.31 | -0.11 | 
| Apr | 3.09 | 3.10 | -0.01 | 
| May | 3.75 | 3.78 | -0.03 | 
| Jun | 3.61 | 3.60 | 0.01 | 
| Jul | 3.29 | 3.29 | 0.00 | 
| Aug | 3.22 | 3.35 | -0.13 | 
| Sep | 2.88 | 2.90 | -0.02 | 
| Oct | 2.85 | 2.91 | -0.06 | 
| Nov | 2.49 | 2.58 | -0.09 | 
| Dec | 2.00 | 2.22 | -0.22 | 
| 33.29 | 34.53 | -1.24 |