| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.88 | 1.97 | -0.09 | 
| Feb | 1.76 | 1.90 | -0.14 | 
| Mar | 2.22 | 2.27 | -0.05 | 
| Apr | 3.75 | 3.72 | 0.03 | 
| May | 4.27 | 4.43 | -0.16 | 
| Jun | 4.45 | 4.29 | 0.16 | 
| Jul | 3.69 | 3.68 | 0.01 | 
| Aug | 3.74 | 3.73 | 0.01 | 
| Sep | 3.36 | 3.43 | -0.07 | 
| Oct | 3.21 | 3.28 | -0.07 | 
| Nov | 2.45 | 2.41 | 0.04 | 
| Dec | 2.02 | 2.09 | -0.07 | 
| 36.80 | 37.20 | -0.40 |