| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.96 | 4.74 | 0.22 |
| Feb | 4.31 | 4.12 | 0.19 |
| Mar | 4.85 | 4.73 | 0.12 |
| Apr | 4.60 | 4.55 | 0.05 |
| May | 4.43 | 4.37 | 0.06 |
| Jun | 4.90 | 4.57 | 0.33 |
| Jul | 4.93 | 5.03 | -0.10 |
| Aug | 5.52 | 5.03 | 0.49 |
| Sep | 4.65 | 4.65 | 0.00 |
| Oct | 4.02 | 4.03 | -0.01 |
| Nov | 4.21 | 4.14 | 0.07 |
| Dec | 5.36 | 5.17 | 0.19 |
56.74 | 55.13 | 1.61 |