| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.98 | -0.24 |
| Feb | 4.37 | 4.57 | -0.20 |
| Mar | 4.72 | 4.93 | -0.21 |
| Apr | 4.06 | 4.31 | -0.25 |
| May | 3.75 | 3.89 | -0.14 |
| Jun | 4.37 | 4.28 | 0.09 |
| Jul | 4.33 | 4.05 | 0.28 |
| Aug | 4.84 | 5.38 | -0.54 |
| Sep | 3.93 | 4.18 | -0.25 |
| Oct | 3.69 | 4.01 | -0.32 |
| Nov | 3.85 | 4.11 | -0.26 |
| Dec | 4.92 | 5.31 | -0.39 |
51.57 | 54.00 | -2.43 |