| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.60 | -0.11 |
| Feb | 3.09 | 3.12 | -0.03 |
| Mar | 4.54 | 4.64 | -0.10 |
| Apr | 3.44 | 3.62 | -0.18 |
| May | 3.33 | 3.40 | -0.07 |
| Jun | 3.81 | 3.84 | -0.03 |
| Jul | 4.61 | 4.48 | 0.13 |
| Aug | 4.70 | 4.75 | -0.05 |
| Sep | 3.76 | 3.83 | -0.07 |
| Oct | 4.12 | 4.23 | -0.11 |
| Nov | 3.38 | 3.39 | -0.01 |
| Dec | 4.46 | 4.57 | -0.11 |
46.73 | 47.47 | -0.74 |