| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.42 | 0.00 |
| Feb | 2.72 | 2.77 | -0.05 |
| Mar | 3.98 | 3.97 | 0.01 |
| Apr | 3.44 | 3.51 | -0.07 |
| May | 4.17 | 4.04 | 0.13 |
| Jun | 4.38 | 4.34 | 0.04 |
| Jul | 4.67 | 4.66 | 0.01 |
| Aug | 4.62 | 4.69 | -0.07 |
| Sep | 4.65 | 4.69 | -0.04 |
| Oct | 3.55 | 3.70 | -0.15 |
| Nov | 3.18 | 3.23 | -0.05 |
| Dec | 3.66 | 3.66 | 0.00 |
46.44 | 46.68 | -0.24 |