| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.21 | 4.19 | 0.02 |
| Feb | 4.61 | 4.65 | -0.04 |
| Mar | 4.93 | 4.98 | -0.05 |
| Apr | 4.89 | 4.99 | -0.10 |
| May | 5.09 | 5.36 | -0.27 |
| Jun | 4.31 | 4.24 | 0.07 |
| Jul | 4.36 | 4.49 | -0.13 |
| Aug | 3.51 | 3.49 | 0.02 |
| Sep | 3.76 | 3.91 | -0.15 |
| Oct | 3.52 | 3.57 | -0.05 |
| Nov | 3.69 | 3.80 | -0.11 |
| Dec | 4.87 | 4.98 | -0.11 |
51.75 | 52.65 | -0.90 |