| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.35 | -0.02 |
| Feb | 2.20 | 2.25 | -0.05 |
| Mar | 3.73 | 3.70 | 0.03 |
| Apr | 4.81 | 4.82 | -0.01 |
| May | 6.20 | 6.40 | -0.20 |
| Jun | 4.71 | 4.44 | 0.27 |
| Jul | 3.88 | 3.93 | -0.05 |
| Aug | 3.70 | 3.31 | 0.39 |
| Sep | 4.48 | 4.16 | 0.32 |
| Oct | 3.98 | 3.81 | 0.17 |
| Nov | 3.69 | 3.66 | 0.03 |
| Dec | 2.77 | 2.78 | -0.01 |
46.48 | 45.61 | 0.87 |