| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.47 | 0.47 | 0.00 | 
| Feb | 0.64 | 0.57 | 0.07 | 
| Mar | 0.99 | 0.98 | 0.01 | 
| Apr | 2.47 | 2.47 | 0.00 | 
| May | 3.37 | 3.51 | -0.14 | 
| Jun | 3.82 | 4.15 | -0.33 | 
| Jul | 2.78 | 2.58 | 0.20 | 
| Aug | 2.76 | 2.85 | -0.09 | 
| Sep | 2.29 | 2.21 | 0.08 | 
| Oct | 1.80 | 1.83 | -0.03 | 
| Nov | 0.71 | 0.75 | -0.04 | 
| Dec | 0.53 | 0.52 | 0.01 | 
| 22.63 | 22.89 | -0.26 |