| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.27 | -0.04 |
| Feb | 3.93 | 4.19 | -0.26 |
| Mar | 4.43 | 4.37 | 0.06 |
| Apr | 3.37 | 3.54 | -0.17 |
| May | 2.68 | 2.85 | -0.17 |
| Jun | 4.47 | 4.75 | -0.28 |
| Jul | 4.40 | 4.66 | -0.26 |
| Aug | 4.93 | 4.98 | -0.05 |
| Sep | 3.72 | 3.79 | -0.07 |
| Oct | 2.74 | 2.80 | -0.06 |
| Nov | 2.71 | 2.89 | -0.18 |
| Dec | 4.39 | 4.27 | 0.12 |
46.00 | 47.36 | -1.36 |