| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.50 | -0.06 |
| Feb | 3.58 | 3.60 | -0.02 |
| Mar | 4.65 | 4.76 | -0.11 |
| Apr | 5.25 | 5.36 | -0.11 |
| May | 5.39 | 5.39 | 0.00 |
| Jun | 5.15 | 5.46 | -0.31 |
| Jul | 5.32 | 5.30 | 0.02 |
| Aug | 5.37 | 5.14 | 0.23 |
| Sep | 5.49 | 5.29 | 0.20 |
| Oct | 4.39 | 4.33 | 0.06 |
| Nov | 4.33 | 4.49 | -0.16 |
| Dec | 4.36 | 4.46 | -0.10 |
57.72 | 58.08 | -0.36 |