| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.63 | -0.05 |
| Feb | 2.86 | 2.89 | -0.03 |
| Mar | 4.10 | 4.24 | -0.14 |
| Apr | 3.85 | 3.88 | -0.03 |
| May | 4.12 | 3.96 | 0.16 |
| Jun | 4.54 | 4.52 | 0.02 |
| Jul | 4.82 | 4.76 | 0.06 |
| Aug | 4.56 | 4.49 | 0.07 |
| Sep | 4.45 | 4.28 | 0.17 |
| Oct | 4.41 | 4.25 | 0.16 |
| Nov | 3.47 | 3.48 | -0.01 |
| Dec | 4.39 | 4.37 | 0.02 |
49.15 | 48.75 | 0.40 |