| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.86 | 1.91 | -0.05 | 
| Feb | 1.77 | 1.89 | -0.12 | 
| Mar | 2.24 | 2.28 | -0.04 | 
| Apr | 3.78 | 3.70 | 0.08 | 
| May | 4.35 | 4.51 | -0.16 | 
| Jun | 4.56 | 4.33 | 0.23 | 
| Jul | 3.83 | 3.70 | 0.13 | 
| Aug | 3.85 | 3.82 | 0.03 | 
| Sep | 3.36 | 3.35 | 0.01 | 
| Oct | 3.18 | 3.22 | -0.04 | 
| Nov | 2.46 | 2.36 | 0.10 | 
| Dec | 2.06 | 2.07 | -0.01 | 
| 37.30 | 37.14 | 0.16 |