| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.68 | 0.02 |
| Feb | 0.77 | 0.82 | -0.05 |
| Mar | 1.61 | 1.58 | 0.03 |
| Apr | 2.81 | 2.84 | -0.03 |
| May | 4.85 | 4.84 | 0.01 |
| Jun | 4.57 | 4.65 | -0.08 |
| Jul | 3.53 | 3.30 | 0.23 |
| Aug | 3.68 | 3.79 | -0.11 |
| Sep | 2.79 | 2.68 | 0.11 |
| Oct | 2.21 | 2.21 | 0.00 |
| Nov | 1.32 | 1.32 | 0.00 |
| Dec | 1.05 | 1.06 | -0.01 |
29.89 | 29.77 | 0.12 |