| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.58 | -0.03 |
| Feb | 2.89 | 2.88 | 0.01 |
| Mar | 4.03 | 3.97 | 0.06 |
| Apr | 3.61 | 3.74 | -0.13 |
| May | 3.78 | 3.98 | -0.20 |
| Jun | 4.51 | 4.25 | 0.26 |
| Jul | 5.37 | 5.44 | -0.07 |
| Aug | 5.07 | 5.36 | -0.29 |
| Sep | 5.14 | 5.04 | 0.10 |
| Oct | 3.85 | 4.24 | -0.39 |
| Nov | 3.08 | 3.03 | 0.05 |
| Dec | 3.59 | 3.59 | 0.00 |
48.47 | 49.10 | -0.63 |