| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.47 | 0.17 |
| Feb | 2.15 | 2.07 | 0.08 |
| Mar | 2.68 | 2.70 | -0.02 |
| Apr | 3.16 | 3.11 | 0.05 |
| May | 3.27 | 3.24 | 0.03 |
| Jun | 3.69 | 3.61 | 0.08 |
| Jul | 3.83 | 3.79 | 0.04 |
| Aug | 3.68 | 3.54 | 0.14 |
| Sep | 3.61 | 3.47 | 0.14 |
| Oct | 3.90 | 3.66 | 0.24 |
| Nov | 3.12 | 2.98 | 0.14 |
| Dec | 3.07 | 2.91 | 0.16 |
38.80 | 37.55 | 1.25 |