| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.68 | -0.14 |
| Feb | 2.98 | 3.09 | -0.11 |
| Mar | 3.79 | 4.00 | -0.21 |
| Apr | 4.04 | 4.12 | -0.08 |
| May | 3.87 | 3.81 | 0.06 |
| Jun | 4.08 | 3.98 | 0.10 |
| Jul | 4.18 | 4.23 | -0.05 |
| Aug | 4.33 | 4.28 | 0.05 |
| Sep | 4.02 | 4.11 | -0.09 |
| Oct | 3.21 | 3.30 | -0.09 |
| Nov | 3.16 | 3.22 | -0.06 |
| Dec | 3.41 | 3.79 | -0.38 |
44.61 | 45.61 | -1.00 |