| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.44 | -0.03 |
| Feb | 0.43 | 0.41 | 0.02 |
| Mar | 0.72 | 0.66 | 0.06 |
| Apr | 1.24 | 1.17 | 0.07 |
| May | 2.79 | 2.60 | 0.19 |
| Jun | 3.25 | 3.13 | 0.12 |
| Jul | 2.49 | 2.52 | -0.03 |
| Aug | 1.94 | 1.88 | 0.06 |
| Sep | 1.68 | 1.70 | -0.02 |
| Oct | 1.37 | 1.26 | 0.11 |
| Nov | 0.55 | 0.56 | -0.01 |
| Dec | 0.47 | 0.50 | -0.03 |
17.34 | 16.83 | 0.51 |