| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.66 | 0.70 | -0.04 | 
| Feb | 0.68 | 0.66 | 0.02 | 
| Mar | 1.26 | 1.22 | 0.04 | 
| Apr | 2.32 | 2.34 | -0.02 | 
| May | 3.13 | 3.09 | 0.04 | 
| Jun | 4.09 | 3.99 | 0.10 | 
| Jul | 3.71 | 3.89 | -0.18 | 
| Aug | 3.41 | 3.41 | 0.00 | 
| Sep | 2.70 | 2.60 | 0.10 | 
| Oct | 2.35 | 2.34 | 0.01 | 
| Nov | 1.10 | 1.04 | 0.06 | 
| Dec | 0.73 | 0.74 | -0.01 | 
| 26.14 | 26.02 | 0.12 |