| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.73 | 0.13 |
| Feb | 4.08 | 3.79 | 0.29 |
| Mar | 4.51 | 4.05 | 0.46 |
| Apr | 4.35 | 4.08 | 0.27 |
| May | 4.41 | 4.04 | 0.37 |
| Jun | 4.44 | 4.04 | 0.40 |
| Jul | 4.97 | 5.07 | -0.10 |
| Aug | 4.00 | 4.12 | -0.12 |
| Sep | 3.23 | 2.90 | 0.33 |
| Oct | 3.02 | 2.35 | 0.67 |
| Nov | 3.27 | 3.00 | 0.27 |
| Dec | 4.51 | 4.13 | 0.38 |
48.65 | 45.30 | 3.35 |