| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.87 | 1.94 | -0.07 | 
| Feb | 1.76 | 1.90 | -0.14 | 
| Mar | 2.24 | 2.24 | 0.00 | 
| Apr | 3.77 | 3.69 | 0.08 | 
| May | 4.42 | 4.56 | -0.14 | 
| Jun | 4.61 | 4.31 | 0.30 | 
| Jul | 3.89 | 3.65 | 0.24 | 
| Aug | 3.88 | 3.94 | -0.06 | 
| Sep | 3.39 | 3.30 | 0.09 | 
| Oct | 3.23 | 3.23 | 0.00 | 
| Nov | 2.44 | 2.34 | 0.10 | 
| Dec | 2.07 | 2.08 | -0.01 | 
| 37.57 | 37.18 | 0.39 |