| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.54 | 0.00 |
| Feb | 0.59 | 0.58 | 0.01 |
| Mar | 0.93 | 0.91 | 0.02 |
| Apr | 2.03 | 2.15 | -0.12 |
| May | 3.15 | 3.12 | 0.03 |
| Jun | 3.75 | 3.82 | -0.07 |
| Jul | 3.34 | 3.39 | -0.05 |
| Aug | 2.50 | 2.48 | 0.02 |
| Sep | 2.43 | 2.39 | 0.04 |
| Oct | 2.21 | 2.06 | 0.15 |
| Nov | 0.72 | 0.71 | 0.01 |
| Dec | 0.64 | 0.55 | 0.09 |
22.83 | 22.70 | 0.13 |