| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 2.99 | -0.04 |
| Feb | 2.27 | 2.33 | -0.06 |
| Mar | 3.16 | 3.14 | 0.02 |
| Apr | 4.03 | 4.03 | 0.00 |
| May | 4.32 | 4.29 | 0.03 |
| Jun | 4.32 | 4.42 | -0.10 |
| Jul | 4.36 | 4.38 | -0.02 |
| Aug | 3.27 | 3.30 | -0.03 |
| Sep | 3.12 | 3.02 | 0.10 |
| Oct | 2.85 | 2.82 | 0.03 |
| Nov | 3.08 | 3.11 | -0.03 |
| Dec | 2.91 | 2.95 | -0.04 |
40.64 | 40.78 | -0.14 |