| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.56 | -0.03 |
| Feb | 2.81 | 2.84 | -0.03 |
| Mar | 4.06 | 4.17 | -0.11 |
| Apr | 3.79 | 3.82 | -0.03 |
| May | 4.12 | 3.98 | 0.14 |
| Jun | 4.54 | 4.40 | 0.14 |
| Jul | 4.89 | 4.86 | 0.03 |
| Aug | 4.46 | 4.42 | 0.04 |
| Sep | 4.43 | 4.20 | 0.23 |
| Oct | 4.37 | 4.23 | 0.14 |
| Nov | 3.33 | 3.35 | -0.02 |
| Dec | 4.30 | 4.28 | 0.02 |
48.63 | 48.11 | 0.52 |