| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.28 | 0.04 |
| Feb | 0.46 | 0.41 | 0.05 |
| Mar | 0.93 | 0.79 | 0.14 |
| Apr | 1.65 | 1.59 | 0.06 |
| May | 2.63 | 2.80 | -0.17 |
| Jun | 2.37 | 2.49 | -0.12 |
| Jul | 2.05 | 2.10 | -0.05 |
| Aug | 1.54 | 1.72 | -0.18 |
| Sep | 1.43 | 1.49 | -0.06 |
| Oct | 1.10 | 0.98 | 0.12 |
| Nov | 0.57 | 0.53 | 0.04 |
| Dec | 0.42 | 0.41 | 0.01 |
15.47 | 15.59 | -0.12 |