| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.56 | 3.60 | -0.04 | 
| Feb | 3.45 | 3.57 | -0.12 | 
| Mar | 3.47 | 3.52 | -0.05 | 
| Apr | 3.29 | 3.24 | 0.05 | 
| May | 3.36 | 3.35 | 0.01 | 
| Jun | 5.44 | 5.47 | -0.03 | 
| Jul | 5.65 | 5.65 | 0.00 | 
| Aug | 6.29 | 6.50 | -0.21 | 
| Sep | 4.66 | 4.69 | -0.03 | 
| Oct | 3.62 | 3.44 | 0.18 | 
| Nov | 2.84 | 2.97 | -0.13 | 
| Dec | 3.47 | 3.50 | -0.03 | 
| 49.10 | 49.50 | -0.40 |