| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.69 | 0.02 |
| Feb | 1.05 | 1.03 | 0.02 |
| Mar | 1.81 | 1.86 | -0.05 |
| Apr | 2.34 | 2.35 | -0.01 |
| May | 4.56 | 4.61 | -0.05 |
| Jun | 4.01 | 4.05 | -0.04 |
| Jul | 3.98 | 3.87 | 0.11 |
| Aug | 3.65 | 3.62 | 0.03 |
| Sep | 2.33 | 2.13 | 0.20 |
| Oct | 2.27 | 2.35 | -0.08 |
| Nov | 1.14 | 1.10 | 0.04 |
| Dec | 1.03 | 1.02 | 0.01 |
28.88 | 28.68 | 0.20 |