| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.57 | -0.02 |
| Feb | 2.89 | 2.86 | 0.03 |
| Mar | 4.03 | 3.96 | 0.07 |
| Apr | 3.61 | 3.72 | -0.11 |
| May | 3.78 | 3.97 | -0.19 |
| Jun | 4.51 | 4.27 | 0.24 |
| Jul | 5.37 | 5.40 | -0.03 |
| Aug | 5.07 | 5.36 | -0.29 |
| Sep | 5.14 | 5.06 | 0.08 |
| Oct | 3.85 | 4.23 | -0.38 |
| Nov | 3.08 | 3.05 | 0.03 |
| Dec | 3.59 | 3.58 | 0.01 |
48.47 | 49.03 | -0.56 |