| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.60 | -0.09 |
| Feb | 3.60 | 3.78 | -0.18 |
| Mar | 4.94 | 5.08 | -0.14 |
| Apr | 5.37 | 5.28 | 0.09 |
| May | 5.54 | 5.45 | 0.09 |
| Jun | 3.61 | 3.57 | 0.04 |
| Jul | 3.84 | 3.87 | -0.03 |
| Aug | 3.82 | 3.89 | -0.07 |
| Sep | 3.67 | 3.62 | 0.05 |
| Oct | 4.07 | 4.07 | 0.00 |
| Nov | 4.95 | 5.02 | -0.07 |
| Dec | 4.47 | 4.65 | -0.18 |
51.39 | 51.88 | -0.49 |