| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.77 | 0.78 | -0.01 | 
| Feb | 1.03 | 1.07 | -0.04 | 
| Mar | 1.97 | 1.97 | 0.00 | 
| Apr | 3.15 | 3.07 | 0.08 | 
| May | 5.26 | 5.17 | 0.09 | 
| Jun | 4.64 | 4.58 | 0.06 | 
| Jul | 4.33 | 4.32 | 0.01 | 
| Aug | 3.52 | 3.46 | 0.06 | 
| Sep | 3.03 | 3.06 | -0.03 | 
| Oct | 2.60 | 2.55 | 0.05 | 
| Nov | 1.58 | 1.62 | -0.04 | 
| Dec | 1.20 | 1.20 | 0.00 | 
| 33.08 | 32.85 | 0.23 |