| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.78 | 0.06 |
| Feb | 2.23 | 2.21 | 0.02 |
| Mar | 3.14 | 3.06 | 0.08 |
| Apr | 3.98 | 3.89 | 0.09 |
| May | 4.22 | 4.16 | 0.06 |
| Jun | 4.35 | 4.31 | 0.04 |
| Jul | 4.12 | 4.20 | -0.08 |
| Aug | 3.34 | 3.30 | 0.04 |
| Sep | 3.01 | 2.98 | 0.03 |
| Oct | 2.85 | 2.77 | 0.08 |
| Nov | 3.06 | 2.98 | 0.08 |
| Dec | 2.81 | 2.75 | 0.06 |
39.95 | 39.39 | 0.56 |