| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.63 | -0.13 |
| Feb | 2.91 | 2.84 | 0.07 |
| Mar | 4.08 | 3.90 | 0.18 |
| Apr | 3.43 | 3.60 | -0.17 |
| May | 3.77 | 3.90 | -0.13 |
| Jun | 4.51 | 4.49 | 0.02 |
| Jul | 5.51 | 5.00 | 0.51 |
| Aug | 5.25 | 5.54 | -0.29 |
| Sep | 5.32 | 5.53 | -0.21 |
| Oct | 3.82 | 4.42 | -0.60 |
| Nov | 3.20 | 3.33 | -0.13 |
| Dec | 3.47 | 3.57 | -0.10 |
48.77 | 49.75 | -0.98 |