| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.59 | 0.00 |
| Feb | 0.74 | 0.68 | 0.06 |
| Mar | 1.46 | 1.40 | 0.06 |
| Apr | 2.18 | 2.37 | -0.19 |
| May | 2.57 | 2.55 | 0.02 |
| Jun | 1.76 | 1.72 | 0.04 |
| Jul | 1.91 | 1.65 | 0.26 |
| Aug | 1.85 | 1.78 | 0.07 |
| Sep | 1.33 | 1.23 | 0.10 |
| Oct | 1.17 | 1.23 | -0.06 |
| Nov | 0.89 | 0.92 | -0.03 |
| Dec | 0.59 | 0.69 | -0.10 |
17.04 | 16.81 | 0.23 |