| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.56 | 0.00 |
| Feb | 0.78 | 0.71 | 0.07 |
| Mar | 1.35 | 1.32 | 0.03 |
| Apr | 1.94 | 2.00 | -0.06 |
| May | 3.57 | 3.65 | -0.08 |
| Jun | 3.21 | 3.15 | 0.06 |
| Jul | 3.80 | 3.77 | 0.03 |
| Aug | 3.14 | 3.20 | -0.06 |
| Sep | 1.83 | 1.77 | 0.06 |
| Oct | 1.84 | 1.89 | -0.05 |
| Nov | 0.83 | 0.72 | 0.11 |
| Dec | 0.90 | 0.87 | 0.03 |
23.75 | 23.61 | 0.14 |