| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.11 | 5.29 | -0.18 |
| Feb | 5.27 | 5.36 | -0.09 |
| Mar | 5.37 | 5.44 | -0.07 |
| Apr | 5.12 | 5.17 | -0.05 |
| May | 4.60 | 5.06 | -0.46 |
| Jun | 4.39 | 4.85 | -0.46 |
| Jul | 4.74 | 4.86 | -0.12 |
| Aug | 4.21 | 4.06 | 0.15 |
| Sep | 3.68 | 4.09 | -0.41 |
| Oct | 3.88 | 3.73 | 0.15 |
| Nov | 4.19 | 4.14 | 0.05 |
| Dec | 6.02 | 6.09 | -0.07 |
56.58 | 58.14 | -1.56 |