| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.09 | 2.15 | -0.06 | 
| Feb | 1.87 | 1.88 | -0.01 | 
| Mar | 2.58 | 2.50 | 0.08 | 
| Apr | 3.88 | 3.73 | 0.15 | 
| May | 4.55 | 4.52 | 0.03 | 
| Jun | 4.25 | 4.29 | -0.04 | 
| Jul | 4.08 | 4.28 | -0.20 | 
| Aug | 3.33 | 3.46 | -0.13 | 
| Sep | 3.19 | 3.21 | -0.02 | 
| Oct | 3.29 | 3.09 | 0.20 | 
| Nov | 2.76 | 2.75 | 0.01 | 
| Dec | 2.08 | 2.18 | -0.10 | 
| 37.95 | 38.04 | -0.09 |