| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.07 | 4.61 | 0.46 |
| Feb | 4.11 | 3.72 | 0.39 |
| Mar | 5.15 | 4.80 | 0.35 |
| Apr | 5.27 | 4.98 | 0.29 |
| May | 5.33 | 5.00 | 0.33 |
| Jun | 5.14 | 5.13 | 0.01 |
| Jul | 5.34 | 4.97 | 0.37 |
| Aug | 5.89 | 5.68 | 0.21 |
| Sep | 5.44 | 5.22 | 0.22 |
| Oct | 4.92 | 4.46 | 0.46 |
| Nov | 4.71 | 3.85 | 0.86 |
| Dec | 5.12 | 4.83 | 0.29 |
61.49 | 57.25 | 4.24 |