| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.63 | -0.06 |
| Feb | 3.13 | 3.07 | 0.06 |
| Mar | 3.90 | 4.06 | -0.16 |
| Apr | 3.74 | 3.79 | -0.05 |
| May | 3.58 | 3.61 | -0.03 |
| Jun | 4.33 | 4.34 | -0.01 |
| Jul | 3.87 | 4.18 | -0.31 |
| Aug | 4.21 | 4.29 | -0.08 |
| Sep | 4.12 | 4.06 | 0.06 |
| Oct | 3.11 | 3.27 | -0.16 |
| Nov | 3.19 | 3.29 | -0.10 |
| Dec | 3.66 | 3.66 | 0.00 |
44.41 | 45.25 | -0.84 |