| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.23 | 3.35 | -0.12 | 
| Feb | 2.45 | 2.54 | -0.09 | 
| Mar | 3.74 | 3.95 | -0.21 | 
| Apr | 4.88 | 4.89 | -0.01 | 
| May | 5.10 | 5.12 | -0.02 | 
| Jun | 4.85 | 4.86 | -0.01 | 
| Jul | 4.50 | 4.58 | -0.08 | 
| Aug | 3.26 | 3.01 | 0.25 | 
| Sep | 3.37 | 3.30 | 0.07 | 
| Oct | 3.57 | 3.65 | -0.08 | 
| Nov | 3.91 | 4.00 | -0.09 | 
| Dec | 3.07 | 3.36 | -0.29 | 
| 45.93 | 46.61 | -0.68 |