| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.87 | 3.02 | -0.15 | 
| Feb | 3.09 | 3.05 | 0.04 | 
| Mar | 3.74 | 3.71 | 0.03 | 
| Apr | 3.63 | 3.64 | -0.01 | 
| May | 4.61 | 4.54 | 0.07 | 
| Jun | 4.03 | 3.78 | 0.25 | 
| Jul | 2.02 | 1.95 | 0.07 | 
| Aug | 2.40 | 2.51 | -0.11 | 
| Sep | 2.90 | 3.02 | -0.12 | 
| Oct | 4.76 | 4.79 | -0.03 | 
| Nov | 3.17 | 3.04 | 0.13 | 
| Dec | 3.59 | 3.65 | -0.06 | 
| 40.81 | 40.70 | 0.11 |