| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.30 | 0.05 |
| Feb | 5.32 | 5.20 | 0.12 |
| Mar | 5.39 | 5.32 | 0.07 |
| Apr | 5.25 | 5.02 | 0.23 |
| May | 4.69 | 4.57 | 0.12 |
| Jun | 4.46 | 4.53 | -0.07 |
| Jul | 5.11 | 4.75 | 0.36 |
| Aug | 3.80 | 3.95 | -0.15 |
| Sep | 3.74 | 3.86 | -0.12 |
| Oct | 3.69 | 3.50 | 0.19 |
| Nov | 4.46 | 4.37 | 0.09 |
| Dec | 6.07 | 6.07 | 0.00 |
57.33 | 56.44 | 0.89 |