| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.76 | -0.02 |
| Feb | 1.02 | 1.08 | -0.06 |
| Mar | 1.81 | 1.87 | -0.06 |
| Apr | 2.58 | 2.62 | -0.04 |
| May | 4.90 | 4.89 | 0.01 |
| Jun | 3.94 | 3.95 | -0.01 |
| Jul | 3.91 | 4.03 | -0.12 |
| Aug | 3.73 | 3.85 | -0.12 |
| Sep | 2.73 | 2.68 | 0.05 |
| Oct | 2.20 | 2.23 | -0.03 |
| Nov | 1.20 | 1.27 | -0.07 |
| Dec | 1.10 | 1.12 | -0.02 |
29.86 | 30.35 | -0.49 |