| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.78 | 1.82 | -0.04 | 
| Feb | 1.72 | 1.80 | -0.08 | 
| Mar | 2.22 | 2.24 | -0.02 | 
| Apr | 3.78 | 3.71 | 0.07 | 
| May | 4.16 | 4.47 | -0.31 | 
| Jun | 4.48 | 4.62 | -0.14 | 
| Jul | 3.60 | 3.74 | -0.14 | 
| Aug | 3.74 | 3.71 | 0.03 | 
| Sep | 3.49 | 3.48 | 0.01 | 
| Oct | 3.11 | 3.12 | -0.01 | 
| Nov | 2.42 | 2.36 | 0.06 | 
| Dec | 2.00 | 2.02 | -0.02 | 
| 36.50 | 37.09 | -0.59 |