| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.13 | 2.10 | 0.03 | 
| Feb | 1.79 | 1.85 | -0.06 | 
| Mar | 2.31 | 2.33 | -0.02 | 
| Apr | 3.73 | 3.66 | 0.07 | 
| May | 4.53 | 4.51 | 0.02 | 
| Jun | 4.52 | 4.57 | -0.05 | 
| Jul | 4.08 | 4.18 | -0.10 | 
| Aug | 3.92 | 3.76 | 0.16 | 
| Sep | 3.26 | 3.27 | -0.01 | 
| Oct | 3.20 | 3.20 | 0.00 | 
| Nov | 2.60 | 2.54 | 0.06 | 
| Dec | 2.08 | 2.09 | -0.01 | 
| 38.15 | 38.06 | 0.09 |