| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.02 | 2.04 | -0.02 | 
| Feb | 1.76 | 1.87 | -0.11 | 
| Mar | 2.35 | 2.36 | -0.01 | 
| Apr | 3.79 | 3.83 | -0.04 | 
| May | 4.57 | 4.61 | -0.04 | 
| Jun | 4.41 | 4.45 | -0.04 | 
| Jul | 4.16 | 4.20 | -0.04 | 
| Aug | 3.97 | 3.93 | 0.04 | 
| Sep | 3.27 | 3.28 | -0.01 | 
| Oct | 3.30 | 3.28 | 0.02 | 
| Nov | 2.57 | 2.47 | 0.10 | 
| Dec | 2.10 | 2.10 | 0.00 | 
| 38.27 | 38.42 | -0.15 |