| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.09 | -0.13 |
| Feb | 2.59 | 2.78 | -0.19 |
| Mar | 3.95 | 4.09 | -0.14 |
| Apr | 3.33 | 3.42 | -0.09 |
| May | 3.72 | 4.11 | -0.39 |
| Jun | 4.23 | 4.39 | -0.16 |
| Jul | 4.41 | 4.66 | -0.25 |
| Aug | 4.38 | 4.27 | 0.11 |
| Sep | 4.53 | 4.63 | -0.10 |
| Oct | 3.83 | 4.17 | -0.34 |
| Nov | 3.06 | 3.21 | -0.15 |
| Dec | 3.65 | 3.80 | -0.15 |
44.64 | 46.62 | -1.98 |