| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.45 | -0.01 |
| Feb | 3.02 | 3.03 | -0.01 |
| Mar | 4.11 | 4.20 | -0.09 |
| Apr | 3.38 | 3.46 | -0.08 |
| May | 3.55 | 3.62 | -0.07 |
| Jun | 3.71 | 3.97 | -0.26 |
| Jul | 4.45 | 4.43 | 0.02 |
| Aug | 4.74 | 4.53 | 0.21 |
| Sep | 4.20 | 4.38 | -0.18 |
| Oct | 4.14 | 4.41 | -0.27 |
| Nov | 3.37 | 3.38 | -0.01 |
| Dec | 3.85 | 4.06 | -0.21 |
45.96 | 46.92 | -0.96 |