| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.48 | 1.43 | 0.05 | 
| Feb | 1.64 | 1.58 | 0.06 | 
| Mar | 2.27 | 2.11 | 0.16 | 
| Apr | 3.76 | 3.70 | 0.06 | 
| May | 4.25 | 4.25 | 0.00 | 
| Jun | 5.64 | 5.44 | 0.20 | 
| Jul | 4.60 | 4.19 | 0.41 | 
| Aug | 3.91 | 4.03 | -0.12 | 
| Sep | 3.84 | 3.84 | 0.00 | 
| Oct | 3.00 | 2.95 | 0.05 | 
| Nov | 2.36 | 2.30 | 0.06 | 
| Dec | 1.89 | 1.82 | 0.07 | 
| 38.64 | 37.64 | 1.00 |