| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.64 | 4.55 | 0.09 |
| Feb | 4.81 | 4.81 | 0.00 |
| Mar | 5.10 | 5.04 | 0.06 |
| Apr | 4.89 | 4.81 | 0.08 |
| May | 4.92 | 5.04 | -0.12 |
| Jun | 4.77 | 4.70 | 0.07 |
| Jul | 4.85 | 4.97 | -0.12 |
| Aug | 3.88 | 3.78 | 0.10 |
| Sep | 3.86 | 3.91 | -0.05 |
| Oct | 3.64 | 3.53 | 0.11 |
| Nov | 3.69 | 3.79 | -0.10 |
| Dec | 5.38 | 5.34 | 0.04 |
54.43 | 54.27 | 0.16 |