| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.07 | 3.10 | -0.03 | 
| Feb | 2.75 | 2.78 | -0.03 | 
| Mar | 3.27 | 3.40 | -0.13 | 
| Apr | 3.49 | 3.77 | -0.28 | 
| May | 3.61 | 3.69 | -0.08 | 
| Jun | 4.20 | 4.41 | -0.21 | 
| Jul | 4.45 | 4.56 | -0.11 | 
| Aug | 3.83 | 3.89 | -0.06 | 
| Sep | 3.86 | 3.79 | 0.07 | 
| Oct | 4.83 | 5.17 | -0.34 | 
| Nov | 3.73 | 3.80 | -0.07 | 
| Dec | 4.04 | 4.08 | -0.04 | 
| 45.13 | 46.44 | -1.31 |