| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.52 | 0.05 |
| Feb | 0.81 | 0.76 | 0.05 |
| Mar | 1.32 | 1.28 | 0.04 |
| Apr | 2.13 | 2.05 | 0.08 |
| May | 3.84 | 3.59 | 0.25 |
| Jun | 3.40 | 3.14 | 0.26 |
| Jul | 3.90 | 3.91 | -0.01 |
| Aug | 3.42 | 3.35 | 0.07 |
| Sep | 2.01 | 2.07 | -0.06 |
| Oct | 1.74 | 1.67 | 0.07 |
| Nov | 0.92 | 0.88 | 0.04 |
| Dec | 0.83 | 0.82 | 0.01 |
24.89 | 24.04 | 0.85 |