| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.79 | 0.02 |
| Feb | 2.43 | 2.57 | -0.14 |
| Mar | 3.07 | 3.25 | -0.18 |
| Apr | 3.55 | 3.67 | -0.12 |
| May | 3.63 | 3.59 | 0.04 |
| Jun | 4.20 | 4.33 | -0.13 |
| Jul | 4.29 | 4.29 | 0.00 |
| Aug | 3.96 | 3.98 | -0.02 |
| Sep | 3.97 | 4.06 | -0.09 |
| Oct | 4.22 | 4.20 | 0.02 |
| Nov | 3.41 | 3.46 | -0.05 |
| Dec | 3.35 | 3.33 | 0.02 |
42.89 | 43.52 | -0.63 |