| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.76 | -0.01 |
| Feb | 1.48 | 1.49 | -0.01 |
| Mar | 1.70 | 1.61 | 0.09 |
| Apr | 3.10 | 3.06 | 0.04 |
| May | 3.26 | 3.06 | 0.20 |
| Jun | 3.23 | 3.23 | 0.00 |
| Jul | 3.25 | 3.04 | 0.21 |
| Aug | 3.22 | 3.27 | -0.05 |
| Sep | 2.91 | 2.90 | 0.01 |
| Oct | 2.82 | 2.68 | 0.14 |
| Nov | 2.26 | 2.18 | 0.08 |
| Dec | 1.83 | 1.75 | 0.08 |
30.81 | 30.03 | 0.78 |