| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 3.96 | 0.01 |
| Feb | 3.71 | 3.83 | -0.12 |
| Mar | 4.36 | 4.46 | -0.10 |
| Apr | 2.91 | 3.06 | -0.15 |
| May | 3.19 | 3.12 | 0.07 |
| Jun | 4.55 | 4.65 | -0.10 |
| Jul | 4.30 | 4.33 | -0.03 |
| Aug | 4.55 | 4.74 | -0.19 |
| Sep | 3.59 | 3.74 | -0.15 |
| Oct | 2.74 | 2.81 | -0.07 |
| Nov | 3.03 | 3.17 | -0.14 |
| Dec | 3.99 | 4.03 | -0.04 |
44.89 | 45.90 | -1.01 |