| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.72 | -0.39 |
| Feb | 2.92 | 3.18 | -0.26 |
| Mar | 4.19 | 4.33 | -0.14 |
| Apr | 3.85 | 4.09 | -0.24 |
| May | 3.39 | 3.41 | -0.02 |
| Jun | 3.97 | 3.89 | 0.08 |
| Jul | 3.41 | 3.27 | 0.14 |
| Aug | 3.91 | 3.94 | -0.03 |
| Sep | 3.89 | 3.83 | 0.06 |
| Oct | 3.97 | 4.28 | -0.31 |
| Nov | 3.38 | 3.45 | -0.07 |
| Dec | 4.29 | 4.59 | -0.30 |
44.50 | 45.98 | -1.48 |