| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.26 | 2.24 | 0.02 | 
| Feb | 1.93 | 2.01 | -0.08 | 
| Mar | 2.59 | 2.68 | -0.09 | 
| Apr | 4.02 | 3.88 | 0.14 | 
| May | 4.45 | 4.43 | 0.02 | 
| Jun | 4.48 | 4.51 | -0.03 | 
| Jul | 4.23 | 4.10 | 0.13 | 
| Aug | 3.44 | 3.32 | 0.12 | 
| Sep | 3.09 | 3.15 | -0.06 | 
| Oct | 3.23 | 3.21 | 0.02 | 
| Nov | 3.07 | 3.00 | 0.07 | 
| Dec | 2.26 | 2.32 | -0.06 | 
| 39.05 | 38.85 | 0.20 |