| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.10 | 0.16 |
| Feb | 3.25 | 3.15 | 0.10 |
| Mar | 4.08 | 3.93 | 0.15 |
| Apr | 4.12 | 4.19 | -0.07 |
| May | 3.69 | 3.58 | 0.11 |
| Jun | 4.16 | 4.04 | 0.12 |
| Jul | 3.81 | 3.68 | 0.13 |
| Aug | 3.53 | 3.59 | -0.06 |
| Sep | 3.84 | 3.74 | 0.10 |
| Oct | 4.68 | 4.61 | 0.07 |
| Nov | 3.98 | 3.82 | 0.16 |
| Dec | 4.26 | 4.27 | -0.01 |
46.66 | 45.70 | 0.96 |