| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.59 | -0.01 |
| Feb | 3.11 | 2.89 | 0.22 |
| Mar | 4.09 | 4.03 | 0.06 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 3.70 | 3.60 | 0.10 |
| Jun | 4.41 | 4.32 | 0.09 |
| Jul | 4.98 | 5.20 | -0.22 |
| Aug | 5.15 | 5.09 | 0.06 |
| Sep | 5.36 | 5.53 | -0.17 |
| Oct | 3.39 | 3.33 | 0.06 |
| Nov | 3.38 | 3.38 | 0.00 |
| Dec | 3.54 | 3.46 | 0.08 |
48.35 | 48.03 | 0.32 |