| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.47 | 3.43 | 0.04 | 
| Feb | 3.16 | 3.12 | 0.04 | 
| Mar | 3.46 | 3.54 | -0.08 | 
| Apr | 3.13 | 3.22 | -0.09 | 
| May | 3.50 | 3.27 | 0.23 | 
| Jun | 5.85 | 6.17 | -0.32 | 
| Jul | 5.66 | 5.72 | -0.06 | 
| Aug | 5.89 | 6.61 | -0.72 | 
| Sep | 4.68 | 4.84 | -0.16 | 
| Oct | 3.58 | 4.24 | -0.66 | 
| Nov | 2.25 | 2.52 | -0.27 | 
| Dec | 3.01 | 3.31 | -0.30 | 
| 47.64 | 49.99 | -2.35 |