| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.83 | -0.11 |
| Feb | 2.30 | 2.32 | -0.02 |
| Mar | 2.97 | 2.97 | 0.00 |
| Apr | 3.90 | 3.91 | -0.01 |
| May | 4.43 | 4.41 | 0.02 |
| Jun | 5.17 | 5.03 | 0.14 |
| Jul | 4.78 | 4.72 | 0.06 |
| Aug | 3.63 | 3.45 | 0.18 |
| Sep | 3.11 | 3.11 | 0.00 |
| Oct | 3.21 | 3.10 | 0.11 |
| Nov | 3.30 | 3.27 | 0.03 |
| Dec | 2.69 | 2.75 | -0.06 |
42.21 | 41.87 | 0.34 |