| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.24 | -0.09 |
| Feb | 1.91 | 2.03 | -0.12 |
| Mar | 2.62 | 2.70 | -0.08 |
| Apr | 4.00 | 3.85 | 0.15 |
| May | 4.55 | 4.49 | 0.06 |
| Jun | 4.48 | 4.39 | 0.09 |
| Jul | 4.01 | 4.02 | -0.01 |
| Aug | 3.36 | 3.16 | 0.20 |
| Sep | 3.20 | 3.07 | 0.13 |
| Oct | 3.23 | 3.17 | 0.06 |
| Nov | 3.04 | 2.92 | 0.12 |
| Dec | 2.27 | 2.31 | -0.04 |
38.82 | 38.35 | 0.47 |