| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.15 | -0.05 |
| Feb | 1.04 | 1.02 | 0.02 |
| Mar | 1.66 | 1.62 | 0.04 |
| Apr | 2.89 | 2.86 | 0.03 |
| May | 3.63 | 3.55 | 0.08 |
| Jun | 4.49 | 4.33 | 0.16 |
| Jul | 3.92 | 3.72 | 0.20 |
| Aug | 3.48 | 3.41 | 0.07 |
| Sep | 3.70 | 3.66 | 0.04 |
| Oct | 3.22 | 3.16 | 0.06 |
| Nov | 1.87 | 1.90 | -0.03 |
| Dec | 1.46 | 1.53 | -0.07 |
32.46 | 31.91 | 0.55 |