| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.08 | 0.09 |
| Feb | 2.49 | 2.38 | 0.11 |
| Mar | 3.62 | 3.38 | 0.24 |
| Apr | 4.43 | 4.41 | 0.02 |
| May | 4.87 | 4.81 | 0.06 |
| Jun | 5.07 | 5.07 | 0.00 |
| Jul | 4.28 | 4.35 | -0.07 |
| Aug | 3.53 | 3.25 | 0.28 |
| Sep | 3.16 | 3.10 | 0.06 |
| Oct | 3.20 | 3.14 | 0.06 |
| Nov | 3.45 | 3.40 | 0.05 |
| Dec | 3.26 | 3.02 | 0.24 |
44.53 | 43.39 | 1.14 |