| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.88 | 0.12 |
| Feb | 3.26 | 3.34 | -0.08 |
| Mar | 4.00 | 3.89 | 0.11 |
| Apr | 4.19 | 4.45 | -0.26 |
| May | 3.70 | 3.77 | -0.07 |
| Jun | 4.26 | 4.31 | -0.05 |
| Jul | 3.25 | 3.15 | 0.10 |
| Aug | 3.19 | 3.21 | -0.02 |
| Sep | 3.97 | 3.91 | 0.06 |
| Oct | 5.27 | 5.59 | -0.32 |
| Nov | 4.64 | 4.57 | 0.07 |
| Dec | 4.73 | 4.64 | 0.09 |
48.46 | 48.71 | -0.25 |