| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.20 | 0.09 |
| Feb | 1.81 | 1.82 | -0.01 |
| Mar | 2.61 | 2.57 | 0.04 |
| Apr | 2.49 | 2.44 | 0.05 |
| May | 4.11 | 4.02 | 0.09 |
| Jun | 3.37 | 3.81 | -0.44 |
| Jul | 2.23 | 2.82 | -0.59 |
| Aug | 2.31 | 2.46 | -0.15 |
| Sep | 3.43 | 3.60 | -0.17 |
| Oct | 3.72 | 3.94 | -0.22 |
| Nov | 2.58 | 2.67 | -0.09 |
| Dec | 2.29 | 2.47 | -0.18 |
33.24 | 34.82 | -1.58 |