| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.69 | 0.12 |
| Feb | 3.02 | 3.03 | -0.01 |
| Mar | 3.91 | 3.82 | 0.09 |
| Apr | 3.92 | 3.83 | 0.09 |
| May | 4.39 | 4.46 | -0.07 |
| Jun | 4.41 | 4.70 | -0.29 |
| Jul | 4.49 | 4.38 | 0.11 |
| Aug | 3.76 | 3.69 | 0.07 |
| Sep | 3.73 | 3.76 | -0.03 |
| Oct | 3.22 | 3.11 | 0.11 |
| Nov | 2.98 | 3.06 | -0.08 |
| Dec | 3.63 | 3.56 | 0.07 |
45.27 | 45.09 | 0.18 |