| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.80 | 2.90 | -0.10 | 
| Feb | 2.33 | 2.39 | -0.06 | 
| Mar | 3.27 | 3.21 | 0.06 | 
| Apr | 4.93 | 4.71 | 0.22 | 
| May | 4.80 | 4.93 | -0.13 | 
| Jun | 4.84 | 4.95 | -0.11 | 
| Jul | 4.14 | 4.14 | 0.00 | 
| Aug | 3.32 | 3.14 | 0.18 | 
| Sep | 2.97 | 2.96 | 0.01 | 
| Oct | 3.49 | 3.52 | -0.03 | 
| Nov | 3.72 | 3.67 | 0.05 | 
| Dec | 2.68 | 2.74 | -0.06 | 
| 43.29 | 43.26 | 0.03 |