| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.84 | 2.00 | -0.16 | 
| Feb | 1.78 | 1.90 | -0.12 | 
| Mar | 2.30 | 2.24 | 0.06 | 
| Apr | 3.76 | 3.73 | 0.03 | 
| May | 4.65 | 4.67 | -0.02 | 
| Jun | 4.58 | 4.34 | 0.24 | 
| Jul | 3.84 | 3.68 | 0.16 | 
| Aug | 3.90 | 4.06 | -0.16 | 
| Sep | 3.40 | 3.30 | 0.10 | 
| Oct | 3.28 | 3.28 | 0.00 | 
| Nov | 2.43 | 2.46 | -0.03 | 
| Dec | 2.08 | 2.14 | -0.06 | 
| 37.84 | 37.80 | 0.04 |