| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.28 | -0.12 |
| Feb | 2.92 | 3.03 | -0.11 |
| Mar | 3.74 | 3.90 | -0.16 |
| Apr | 4.09 | 4.12 | -0.03 |
| May | 4.49 | 4.43 | 0.06 |
| Jun | 4.22 | 4.43 | -0.21 |
| Jul | 4.44 | 4.49 | -0.05 |
| Aug | 3.37 | 3.38 | -0.01 |
| Sep | 3.30 | 3.28 | 0.02 |
| Oct | 3.02 | 3.09 | -0.07 |
| Nov | 2.95 | 2.94 | 0.01 |
| Dec | 3.27 | 3.33 | -0.06 |
42.97 | 43.70 | -0.73 |