| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.38 | 3.33 | 0.05 | 
| Feb | 2.71 | 2.69 | 0.02 | 
| Mar | 3.34 | 3.31 | 0.03 | 
| Apr | 3.54 | 3.59 | -0.05 | 
| May | 4.60 | 4.64 | -0.04 | 
| Jun | 4.52 | 4.38 | 0.14 | 
| Jul | 2.69 | 2.57 | 0.12 | 
| Aug | 3.32 | 3.33 | -0.01 | 
| Sep | 4.12 | 3.62 | 0.50 | 
| Oct | 4.91 | 4.48 | 0.43 | 
| Nov | 3.85 | 3.83 | 0.02 | 
| Dec | 3.29 | 3.36 | -0.07 | 
| 44.27 | 43.13 | 1.14 |