| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.73 | 3.85 | -0.12 | 
| Feb | 3.62 | 3.67 | -0.05 | 
| Mar | 4.68 | 4.76 | -0.08 | 
| Apr | 5.09 | 5.13 | -0.04 | 
| May | 4.96 | 5.11 | -0.15 | 
| Jun | 4.48 | 4.57 | -0.09 | 
| Jul | 4.20 | 4.17 | 0.03 | 
| Aug | 3.24 | 2.97 | 0.27 | 
| Sep | 3.36 | 3.47 | -0.11 | 
| Oct | 3.86 | 3.81 | 0.05 | 
| Nov | 4.30 | 4.25 | 0.05 | 
| Dec | 4.15 | 4.22 | -0.07 | 
| 49.67 | 49.98 | -0.31 |