| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.48 | 3.63 | -0.15 | 
| Feb | 3.49 | 3.60 | -0.11 | 
| Mar | 4.55 | 4.61 | -0.06 | 
| Apr | 4.79 | 4.74 | 0.05 | 
| May | 5.33 | 5.30 | 0.03 | 
| Jun | 4.91 | 4.91 | 0.00 | 
| Jul | 4.88 | 4.90 | -0.02 | 
| Aug | 3.51 | 3.46 | 0.05 | 
| Sep | 3.43 | 3.62 | -0.19 | 
| Oct | 3.74 | 3.56 | 0.18 | 
| Nov | 3.35 | 3.43 | -0.08 | 
| Dec | 4.17 | 4.25 | -0.08 | 
| 49.63 | 50.01 | -0.38 |