| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 4.54 | 0.06 |
| Feb | 4.83 | 4.88 | -0.05 |
| Mar | 5.07 | 4.99 | 0.08 |
| Apr | 4.71 | 4.73 | -0.02 |
| May | 4.90 | 5.00 | -0.10 |
| Jun | 4.88 | 4.92 | -0.04 |
| Jul | 4.85 | 5.05 | -0.20 |
| Aug | 3.83 | 3.94 | -0.11 |
| Sep | 3.79 | 3.79 | 0.00 |
| Oct | 3.53 | 3.46 | 0.07 |
| Nov | 3.70 | 3.79 | -0.09 |
| Dec | 5.35 | 5.37 | -0.02 |
54.04 | 54.46 | -0.42 |