| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.10 | 0.02 |
| Feb | 1.03 | 1.06 | -0.03 |
| Mar | 1.71 | 1.69 | 0.02 |
| Apr | 2.82 | 2.97 | -0.15 |
| May | 3.61 | 3.63 | -0.02 |
| Jun | 4.68 | 4.47 | 0.21 |
| Jul | 3.76 | 3.86 | -0.10 |
| Aug | 3.70 | 3.97 | -0.27 |
| Sep | 3.81 | 3.79 | 0.02 |
| Oct | 3.05 | 3.08 | -0.03 |
| Nov | 1.83 | 1.89 | -0.06 |
| Dec | 1.41 | 1.48 | -0.07 |
32.53 | 32.99 | -0.46 |