| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.58 | 0.03 |
| Feb | 0.77 | 0.74 | 0.03 |
| Mar | 1.56 | 1.39 | 0.17 |
| Apr | 2.30 | 2.31 | -0.01 |
| May | 2.59 | 2.44 | 0.15 |
| Jun | 1.84 | 1.74 | 0.10 |
| Jul | 1.94 | 1.90 | 0.04 |
| Aug | 1.80 | 1.67 | 0.13 |
| Sep | 1.38 | 1.37 | 0.01 |
| Oct | 1.15 | 1.13 | 0.02 |
| Nov | 0.90 | 0.89 | 0.01 |
| Dec | 0.59 | 0.56 | 0.03 |
17.43 | 16.72 | 0.71 |