| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.54 | 0.62 | -0.08 |
| Mar | 0.91 | 1.11 | -0.20 |
| Apr | 1.97 | 2.23 | -0.26 |
| May | 3.04 | 3.50 | -0.46 |
| Jun | 2.93 | 3.03 | -0.10 |
| Jul | 2.65 | 2.71 | -0.06 |
| Aug | 1.87 | 2.05 | -0.18 |
| Sep | 1.34 | 1.44 | -0.10 |
| Oct | 1.33 | 1.45 | -0.12 |
| Nov | 0.46 | 0.47 | -0.01 |
| Dec | 0.41 | 0.47 | -0.06 |
17.83 | 19.49 | -1.66 |