| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.84 | 2.01 | -0.17 | 
| Feb | 1.79 | 1.91 | -0.12 | 
| Mar | 2.30 | 2.29 | 0.01 | 
| Apr | 3.81 | 3.81 | 0.00 | 
| May | 4.69 | 4.73 | -0.04 | 
| Jun | 4.37 | 4.35 | 0.02 | 
| Jul | 3.74 | 3.75 | -0.01 | 
| Aug | 3.96 | 3.97 | -0.01 | 
| Sep | 3.25 | 3.28 | -0.03 | 
| Oct | 3.42 | 3.44 | -0.02 | 
| Nov | 2.53 | 2.58 | -0.05 | 
| Dec | 2.07 | 2.16 | -0.09 | 
| 37.77 | 38.28 | -0.51 |