| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.52 | 0.05 |
| Feb | 0.81 | 0.77 | 0.04 |
| Mar | 1.32 | 1.28 | 0.04 |
| Apr | 2.11 | 2.03 | 0.08 |
| May | 3.82 | 3.59 | 0.23 |
| Jun | 3.40 | 3.12 | 0.28 |
| Jul | 3.86 | 3.88 | -0.02 |
| Aug | 3.42 | 3.35 | 0.07 |
| Sep | 1.98 | 2.04 | -0.06 |
| Oct | 1.73 | 1.67 | 0.06 |
| Nov | 0.92 | 0.87 | 0.05 |
| Dec | 0.84 | 0.82 | 0.02 |
24.78 | 23.94 | 0.84 |