| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.67 | -0.18 |
| Feb | 2.39 | 2.33 | 0.06 |
| Mar | 4.05 | 3.96 | 0.09 |
| Apr | 4.65 | 4.92 | -0.27 |
| May | 6.02 | 5.86 | 0.16 |
| Jun | 4.70 | 4.41 | 0.29 |
| Jul | 3.90 | 3.90 | 0.00 |
| Aug | 3.32 | 3.27 | 0.05 |
| Sep | 4.39 | 4.61 | -0.22 |
| Oct | 3.86 | 3.82 | 0.04 |
| Nov | 3.75 | 3.79 | -0.04 |
| Dec | 3.00 | 3.03 | -0.03 |
46.52 | 46.57 | -0.05 |