| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.29 | 0.02 |
| Feb | 0.44 | 0.41 | 0.03 |
| Mar | 0.71 | 0.74 | -0.03 |
| Apr | 1.60 | 1.71 | -0.11 |
| May | 2.92 | 2.87 | 0.05 |
| Jun | 2.82 | 2.87 | -0.05 |
| Jul | 2.17 | 2.33 | -0.16 |
| Aug | 1.66 | 1.74 | -0.08 |
| Sep | 1.12 | 1.09 | 0.03 |
| Oct | 1.30 | 1.32 | -0.02 |
| Nov | 0.45 | 0.43 | 0.02 |
| Dec | 0.38 | 0.37 | 0.01 |
15.88 | 16.17 | -0.29 |