| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.52 | -0.11 |
| Feb | 2.75 | 2.92 | -0.17 |
| Mar | 3.90 | 4.04 | -0.14 |
| Apr | 3.83 | 3.86 | -0.03 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.54 | 4.75 | -0.21 |
| Jul | 4.57 | 4.36 | 0.21 |
| Aug | 4.54 | 4.82 | -0.28 |
| Sep | 4.40 | 4.53 | -0.13 |
| Oct | 4.53 | 4.74 | -0.21 |
| Nov | 3.38 | 3.45 | -0.07 |
| Dec | 4.04 | 4.32 | -0.28 |
47.80 | 49.28 | -1.48 |