| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.37 | 0.01 |
| Feb | 2.78 | 2.75 | 0.03 |
| Mar | 3.88 | 3.85 | 0.03 |
| Apr | 3.41 | 3.39 | 0.02 |
| May | 4.15 | 4.12 | 0.03 |
| Jun | 4.17 | 4.04 | 0.13 |
| Jul | 4.39 | 4.33 | 0.06 |
| Aug | 4.27 | 4.39 | -0.12 |
| Sep | 4.47 | 4.36 | 0.11 |
| Oct | 3.67 | 3.61 | 0.06 |
| Nov | 3.28 | 3.25 | 0.03 |
| Dec | 3.63 | 3.67 | -0.04 |
45.48 | 45.13 | 0.35 |