| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.51 | -0.08 |
| Feb | 2.74 | 2.82 | -0.08 |
| Mar | 4.14 | 4.18 | -0.04 |
| Apr | 3.71 | 3.72 | -0.01 |
| May | 4.05 | 3.96 | 0.09 |
| Jun | 4.30 | 4.22 | 0.08 |
| Jul | 4.77 | 4.73 | 0.04 |
| Aug | 4.68 | 4.78 | -0.10 |
| Sep | 4.47 | 4.47 | 0.00 |
| Oct | 4.14 | 4.17 | -0.03 |
| Nov | 3.30 | 3.27 | 0.03 |
| Dec | 4.33 | 4.39 | -0.06 |
48.06 | 48.22 | -0.16 |