| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.57 | 0.03 |
| Feb | 0.78 | 0.67 | 0.11 |
| Mar | 1.41 | 1.35 | 0.06 |
| Apr | 2.25 | 2.20 | 0.05 |
| May | 2.66 | 2.49 | 0.17 |
| Jun | 1.77 | 1.70 | 0.07 |
| Jul | 1.89 | 1.75 | 0.14 |
| Aug | 1.65 | 1.60 | 0.05 |
| Sep | 1.33 | 1.27 | 0.06 |
| Oct | 1.14 | 1.13 | 0.01 |
| Nov | 0.93 | 0.85 | 0.08 |
| Dec | 0.54 | 0.54 | 0.00 |
16.95 | 16.12 | 0.83 |