| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.77 | 1.88 | -0.11 | 
| Feb | 1.78 | 1.80 | -0.02 | 
| Mar | 2.29 | 2.27 | 0.02 | 
| Apr | 3.71 | 3.76 | -0.05 | 
| May | 4.73 | 4.94 | -0.21 | 
| Jun | 4.65 | 4.55 | 0.10 | 
| Jul | 3.93 | 3.86 | 0.07 | 
| Aug | 3.89 | 4.07 | -0.18 | 
| Sep | 3.46 | 3.47 | -0.01 | 
| Oct | 3.26 | 3.24 | 0.02 | 
| Nov | 2.43 | 2.52 | -0.09 | 
| Dec | 2.07 | 2.13 | -0.06 | 
| 37.97 | 38.49 | -0.52 |