| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.74 | -0.02 |
| Feb | 0.74 | 0.75 | -0.01 |
| Mar | 1.37 | 1.38 | -0.01 |
| Apr | 2.27 | 2.40 | -0.13 |
| May | 3.52 | 3.52 | 0.00 |
| Jun | 4.39 | 4.44 | -0.05 |
| Jul | 4.54 | 4.43 | 0.11 |
| Aug | 3.59 | 3.38 | 0.21 |
| Sep | 3.04 | 2.93 | 0.11 |
| Oct | 2.85 | 2.74 | 0.11 |
| Nov | 1.41 | 1.41 | 0.00 |
| Dec | 0.97 | 1.02 | -0.05 |
29.41 | 29.14 | 0.27 |