| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.77 | 1.80 | -0.03 | 
| Feb | 1.83 | 1.89 | -0.06 | 
| Mar | 2.51 | 2.48 | 0.03 | 
| Apr | 4.02 | 4.03 | -0.01 | 
| May | 4.97 | 5.04 | -0.07 | 
| Jun | 4.79 | 4.75 | 0.04 | 
| Jul | 3.90 | 3.95 | -0.05 | 
| Aug | 3.94 | 3.76 | 0.18 | 
| Sep | 3.50 | 3.46 | 0.04 | 
| Oct | 3.17 | 3.11 | 0.06 | 
| Nov | 2.57 | 2.57 | 0.00 | 
| Dec | 1.93 | 1.98 | -0.05 | 
| 38.90 | 38.82 | 0.08 |