| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 4.02 | -0.28 |
| Feb | 3.43 | 3.60 | -0.17 |
| Mar | 4.32 | 4.41 | -0.09 |
| Apr | 4.08 | 4.11 | -0.03 |
| May | 4.69 | 4.58 | 0.11 |
| Jun | 4.44 | 4.38 | 0.06 |
| Jul | 4.83 | 4.70 | 0.13 |
| Aug | 3.69 | 3.99 | -0.30 |
| Sep | 3.62 | 3.66 | -0.04 |
| Oct | 3.24 | 3.27 | -0.03 |
| Nov | 3.04 | 2.97 | 0.07 |
| Dec | 3.76 | 4.06 | -0.30 |
46.88 | 47.75 | -0.87 |