| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.66 | -0.20 |
| Feb | 2.07 | 2.25 | -0.18 |
| Mar | 2.28 | 2.41 | -0.13 |
| Apr | 3.56 | 3.62 | -0.06 |
| May | 4.16 | 4.08 | 0.08 |
| Jun | 4.12 | 4.21 | -0.09 |
| Jul | 3.87 | 4.08 | -0.21 |
| Aug | 4.05 | 4.11 | -0.06 |
| Sep | 3.35 | 3.39 | -0.04 |
| Oct | 3.71 | 3.98 | -0.27 |
| Nov | 2.76 | 2.92 | -0.16 |
| Dec | 2.39 | 2.43 | -0.04 |
38.78 | 40.14 | -1.36 |