| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.47 | 3.43 | 0.04 | 
| Feb | 3.26 | 3.23 | 0.03 | 
| Mar | 4.55 | 4.32 | 0.23 | 
| Apr | 5.16 | 5.14 | 0.02 | 
| May | 4.85 | 4.79 | 0.06 | 
| Jun | 4.53 | 4.67 | -0.14 | 
| Jul | 3.95 | 3.79 | 0.16 | 
| Aug | 3.31 | 2.96 | 0.35 | 
| Sep | 3.33 | 3.21 | 0.12 | 
| Oct | 3.58 | 3.49 | 0.09 | 
| Nov | 4.02 | 4.15 | -0.13 | 
| Dec | 3.63 | 3.74 | -0.11 | 
| 47.64 | 46.92 | 0.72 |