| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.91 | 3.01 | -0.10 | 
| Feb | 2.88 | 2.90 | -0.02 | 
| Mar | 3.31 | 3.51 | -0.20 | 
| Apr | 3.53 | 3.71 | -0.18 | 
| May | 3.65 | 3.40 | 0.25 | 
| Jun | 4.07 | 4.02 | 0.05 | 
| Jul | 3.81 | 3.63 | 0.18 | 
| Aug | 3.84 | 3.65 | 0.19 | 
| Sep | 3.64 | 3.48 | 0.16 | 
| Oct | 4.56 | 4.66 | -0.10 | 
| Nov | 3.52 | 3.57 | -0.05 | 
| Dec | 3.82 | 4.05 | -0.23 | 
| 43.54 | 43.59 | -0.05 |