| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.41 | 0.20 |
| Feb | 1.09 | 1.12 | -0.03 |
| Mar | 1.66 | 1.71 | -0.05 |
| Apr | 2.55 | 2.63 | -0.08 |
| May | 3.06 | 3.12 | -0.06 |
| Jun | 3.25 | 3.23 | 0.02 |
| Jul | 3.37 | 3.43 | -0.06 |
| Aug | 2.88 | 2.99 | -0.11 |
| Sep | 3.39 | 3.49 | -0.10 |
| Oct | 3.44 | 3.36 | 0.08 |
| Nov | 2.26 | 2.28 | -0.02 |
| Dec | 1.74 | 1.80 | -0.06 |
30.30 | 30.57 | -0.27 |