| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.60 | 2.72 | -0.12 | 
| Feb | 2.23 | 2.35 | -0.12 | 
| Mar | 3.39 | 3.44 | -0.05 | 
| Apr | 4.80 | 4.84 | -0.04 | 
| May | 4.99 | 5.06 | -0.07 | 
| Jun | 4.37 | 4.62 | -0.25 | 
| Jul | 4.08 | 4.22 | -0.14 | 
| Aug | 3.38 | 3.63 | -0.25 | 
| Sep | 3.30 | 3.23 | 0.07 | 
| Oct | 3.19 | 3.19 | 0.00 | 
| Nov | 3.51 | 3.59 | -0.08 | 
| Dec | 2.67 | 2.68 | -0.01 | 
| 42.51 | 43.57 | -1.06 |