| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.30 | -0.03 |
| Feb | 2.76 | 2.83 | -0.07 |
| Mar | 3.61 | 3.54 | 0.07 |
| Apr | 3.47 | 3.85 | -0.38 |
| May | 4.21 | 4.48 | -0.27 |
| Jun | 4.65 | 4.73 | -0.08 |
| Jul | 4.28 | 4.33 | -0.05 |
| Aug | 3.65 | 3.68 | -0.03 |
| Sep | 4.06 | 4.29 | -0.23 |
| Oct | 3.22 | 3.47 | -0.25 |
| Nov | 3.05 | 2.98 | 0.07 |
| Dec | 3.26 | 3.42 | -0.16 |
43.49 | 44.90 | -1.41 |