| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.51 | -0.15 |
| Feb | 3.00 | 3.00 | 0.00 |
| Mar | 3.43 | 3.60 | -0.17 |
| Apr | 3.37 | 3.38 | -0.01 |
| May | 3.47 | 3.47 | 0.00 |
| Jun | 4.84 | 4.66 | 0.18 |
| Jul | 5.40 | 5.18 | 0.22 |
| Aug | 4.88 | 5.23 | -0.35 |
| Sep | 5.34 | 5.32 | 0.02 |
| Oct | 3.24 | 3.32 | -0.08 |
| Nov | 3.23 | 3.33 | -0.10 |
| Dec | 3.39 | 3.48 | -0.09 |
46.95 | 47.48 | -0.53 |