| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.73 | 1.89 | -0.16 | 
| Feb | 1.76 | 1.80 | -0.04 | 
| Mar | 2.30 | 2.28 | 0.02 | 
| Apr | 3.72 | 3.78 | -0.06 | 
| May | 4.75 | 4.93 | -0.18 | 
| Jun | 4.52 | 4.46 | 0.06 | 
| Jul | 3.82 | 3.80 | 0.02 | 
| Aug | 3.87 | 4.07 | -0.20 | 
| Sep | 3.41 | 3.45 | -0.04 | 
| Oct | 3.26 | 3.28 | -0.02 | 
| Nov | 2.44 | 2.54 | -0.10 | 
| Dec | 2.05 | 2.14 | -0.09 | 
| 37.63 | 38.42 | -0.79 |