| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.37 | 2.31 | 0.06 | 
| Feb | 1.56 | 1.71 | -0.15 | 
| Mar | 2.06 | 2.08 | -0.02 | 
| Apr | 3.10 | 3.27 | -0.17 | 
| May | 3.30 | 3.28 | 0.02 | 
| Jun | 3.26 | 3.16 | 0.10 | 
| Jul | 3.20 | 2.99 | 0.21 | 
| Aug | 3.12 | 3.20 | -0.08 | 
| Sep | 3.46 | 3.75 | -0.29 | 
| Oct | 4.21 | 4.26 | -0.05 | 
| Nov | 3.02 | 3.01 | 0.01 | 
| Dec | 2.43 | 2.53 | -0.10 | 
| 35.09 | 35.55 | -0.46 |