| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.77 | -0.33 |
| Feb | 3.13 | 3.33 | -0.20 |
| Mar | 4.38 | 4.72 | -0.34 |
| Apr | 3.92 | 4.02 | -0.10 |
| May | 3.33 | 3.47 | -0.14 |
| Jun | 3.92 | 3.75 | 0.17 |
| Jul | 3.08 | 3.00 | 0.08 |
| Aug | 3.63 | 3.91 | -0.28 |
| Sep | 3.81 | 3.92 | -0.11 |
| Oct | 4.33 | 4.41 | -0.08 |
| Nov | 3.60 | 3.65 | -0.05 |
| Dec | 4.44 | 4.48 | -0.04 |
45.01 | 46.43 | -1.42 |