| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.29 | 3.41 | -0.12 | 
| Feb | 3.09 | 3.04 | 0.05 | 
| Mar | 4.10 | 4.10 | 0.00 | 
| Apr | 4.54 | 4.64 | -0.10 | 
| May | 4.90 | 4.92 | -0.02 | 
| Jun | 4.92 | 4.72 | 0.20 | 
| Jul | 4.42 | 4.27 | 0.15 | 
| Aug | 3.47 | 3.36 | 0.11 | 
| Sep | 3.26 | 3.26 | 0.00 | 
| Oct | 3.30 | 3.29 | 0.01 | 
| Nov | 3.18 | 3.22 | -0.04 | 
| Dec | 3.69 | 3.77 | -0.08 | 
| 46.16 | 46.00 | 0.16 |