| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.09 | 2.10 | -0.01 | 
| Feb | 1.90 | 1.95 | -0.05 | 
| Mar | 2.51 | 2.59 | -0.08 | 
| Apr | 3.85 | 3.81 | 0.04 | 
| May | 4.64 | 4.73 | -0.09 | 
| Jun | 4.17 | 4.16 | 0.01 | 
| Jul | 4.05 | 3.79 | 0.26 | 
| Aug | 3.62 | 3.40 | 0.22 | 
| Sep | 3.41 | 3.39 | 0.02 | 
| Oct | 3.15 | 3.09 | 0.06 | 
| Nov | 2.73 | 2.70 | 0.03 | 
| Dec | 2.16 | 2.20 | -0.04 | 
| 38.28 | 37.91 | 0.37 |