| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 0.78 | 0.78 | 0.00 |
| Mar | 1.46 | 1.46 | 0.00 |
| Apr | 2.47 | 2.50 | -0.03 |
| May | 3.57 | 3.46 | 0.11 |
| Jun | 4.29 | 4.41 | -0.12 |
| Jul | 4.11 | 4.08 | 0.03 |
| Aug | 3.71 | 3.84 | -0.13 |
| Sep | 2.87 | 2.86 | 0.01 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 1.33 | 1.31 | 0.02 |
| Dec | 0.88 | 0.94 | -0.06 |
28.85 | 29.03 | -0.18 |