| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.30 | -0.12 |
| Feb | 3.17 | 3.24 | -0.07 |
| Mar | 4.13 | 4.21 | -0.08 |
| Apr | 3.63 | 3.74 | -0.11 |
| May | 4.76 | 5.16 | -0.40 |
| Jun | 4.38 | 4.48 | -0.10 |
| Jul | 4.94 | 5.37 | -0.43 |
| Aug | 3.70 | 3.52 | 0.18 |
| Sep | 3.34 | 3.28 | 0.06 |
| Oct | 3.02 | 3.07 | -0.05 |
| Nov | 2.98 | 2.99 | -0.01 |
| Dec | 3.64 | 3.89 | -0.25 |
44.87 | 46.25 | -1.38 |