| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.40 | 4.75 | -0.35 |
| Feb | 4.08 | 4.21 | -0.13 |
| Mar | 4.73 | 4.78 | -0.05 |
| Apr | 3.98 | 4.36 | -0.38 |
| May | 4.08 | 4.17 | -0.09 |
| Jun | 4.51 | 4.56 | -0.05 |
| Jul | 4.30 | 4.74 | -0.44 |
| Aug | 4.70 | 5.16 | -0.46 |
| Sep | 4.02 | 4.27 | -0.25 |
| Oct | 3.64 | 3.88 | -0.24 |
| Nov | 3.84 | 4.13 | -0.29 |
| Dec | 4.84 | 5.17 | -0.33 |
51.12 | 54.18 | -3.06 |