| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.39 | -0.17 |
| Feb | 2.51 | 2.69 | -0.18 |
| Mar | 3.66 | 3.90 | -0.24 |
| Apr | 3.49 | 3.80 | -0.31 |
| May | 3.65 | 3.75 | -0.10 |
| Jun | 4.19 | 4.76 | -0.57 |
| Jul | 4.71 | 4.99 | -0.28 |
| Aug | 4.38 | 4.37 | 0.01 |
| Sep | 4.70 | 4.82 | -0.12 |
| Oct | 4.06 | 4.38 | -0.32 |
| Nov | 3.09 | 3.31 | -0.22 |
| Dec | 3.69 | 3.98 | -0.29 |
45.35 | 48.14 | -2.79 |