| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.53 | 0.13 |
| Feb | 3.27 | 3.27 | 0.00 |
| Mar | 4.25 | 4.22 | 0.03 |
| Apr | 4.22 | 4.18 | 0.04 |
| May | 3.66 | 3.62 | 0.04 |
| Jun | 4.24 | 4.10 | 0.14 |
| Jul | 3.81 | 3.69 | 0.12 |
| Aug | 4.02 | 4.10 | -0.08 |
| Sep | 4.09 | 3.87 | 0.22 |
| Oct | 4.90 | 4.94 | -0.04 |
| Nov | 3.91 | 3.68 | 0.23 |
| Dec | 4.29 | 4.49 | -0.20 |
48.32 | 47.69 | 0.63 |