| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.51 | 1.54 | -0.03 | 
| Feb | 1.69 | 1.76 | -0.07 | 
| Mar | 2.45 | 2.44 | 0.01 | 
| Apr | 3.70 | 3.65 | 0.05 | 
| May | 4.63 | 4.80 | -0.17 | 
| Jun | 4.74 | 4.63 | 0.11 | 
| Jul | 4.01 | 4.16 | -0.15 | 
| Aug | 3.88 | 3.87 | 0.01 | 
| Sep | 3.40 | 3.48 | -0.08 | 
| Oct | 2.79 | 2.81 | -0.02 | 
| Nov | 2.33 | 2.29 | 0.04 | 
| Dec | 1.92 | 2.01 | -0.09 | 
| 37.05 | 37.44 | -0.39 |