| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.37 | 0.08 |
| Feb | 2.79 | 2.75 | 0.04 |
| Mar | 3.94 | 3.88 | 0.06 |
| Apr | 3.44 | 3.39 | 0.05 |
| May | 4.20 | 4.11 | 0.09 |
| Jun | 4.24 | 4.12 | 0.12 |
| Jul | 4.42 | 4.40 | 0.02 |
| Aug | 4.38 | 4.44 | -0.06 |
| Sep | 4.54 | 4.40 | 0.14 |
| Oct | 3.68 | 3.62 | 0.06 |
| Nov | 3.31 | 3.25 | 0.06 |
| Dec | 3.67 | 3.68 | -0.01 |
46.06 | 45.41 | 0.65 |