| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.60 | 0.09 |
| Feb | 0.70 | 0.57 | 0.13 |
| Mar | 1.13 | 1.09 | 0.04 |
| Apr | 2.03 | 2.07 | -0.04 |
| May | 3.23 | 3.27 | -0.04 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.10 | 4.04 | 0.06 |
| Aug | 3.13 | 3.20 | -0.07 |
| Sep | 2.91 | 2.89 | 0.02 |
| Oct | 2.53 | 2.46 | 0.07 |
| Nov | 1.02 | 0.90 | 0.12 |
| Dec | 0.81 | 0.75 | 0.06 |
26.64 | 26.25 | 0.39 |