| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.86 | 1.95 | -0.09 | 
| Feb | 1.77 | 1.90 | -0.13 | 
| Mar | 2.26 | 2.23 | 0.03 | 
| Apr | 3.78 | 3.70 | 0.08 | 
| May | 4.47 | 4.65 | -0.18 | 
| Jun | 4.62 | 4.36 | 0.26 | 
| Jul | 3.89 | 3.68 | 0.21 | 
| Aug | 3.92 | 4.01 | -0.09 | 
| Sep | 3.44 | 3.34 | 0.10 | 
| Oct | 3.23 | 3.24 | -0.01 | 
| Nov | 2.45 | 2.36 | 0.09 | 
| Dec | 2.08 | 2.10 | -0.02 | 
| 37.77 | 37.52 | 0.25 |