| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.57 | -0.19 |
| Feb | 2.86 | 3.00 | -0.14 |
| Mar | 4.06 | 4.19 | -0.13 |
| Apr | 3.88 | 4.07 | -0.19 |
| May | 3.87 | 3.99 | -0.12 |
| Jun | 4.32 | 4.56 | -0.24 |
| Jul | 4.43 | 4.52 | -0.09 |
| Aug | 4.23 | 4.47 | -0.24 |
| Sep | 4.09 | 4.23 | -0.14 |
| Oct | 4.13 | 4.24 | -0.11 |
| Nov | 3.39 | 3.43 | -0.04 |
| Dec | 4.20 | 4.35 | -0.15 |
46.84 | 48.62 | -1.78 |