| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.59 | -0.19 |
| Feb | 3.14 | 3.18 | -0.04 |
| Mar | 4.47 | 4.65 | -0.18 |
| Apr | 3.41 | 3.59 | -0.18 |
| May | 3.27 | 3.37 | -0.10 |
| Jun | 3.72 | 3.66 | 0.06 |
| Jul | 4.43 | 4.33 | 0.10 |
| Aug | 4.51 | 4.61 | -0.10 |
| Sep | 3.73 | 3.70 | 0.03 |
| Oct | 4.06 | 4.29 | -0.23 |
| Nov | 3.34 | 3.43 | -0.09 |
| Dec | 4.43 | 4.57 | -0.14 |
45.91 | 46.97 | -1.06 |