| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.34 | -0.15 |
| Feb | 2.96 | 3.04 | -0.08 |
| Mar | 3.91 | 4.06 | -0.15 |
| Apr | 4.44 | 4.57 | -0.13 |
| May | 4.84 | 4.91 | -0.07 |
| Jun | 4.72 | 4.71 | 0.01 |
| Jul | 4.41 | 4.62 | -0.21 |
| Aug | 3.43 | 3.49 | -0.06 |
| Sep | 3.14 | 3.23 | -0.09 |
| Oct | 3.15 | 3.17 | -0.02 |
| Nov | 3.03 | 3.17 | -0.14 |
| Dec | 3.51 | 3.67 | -0.16 |
44.73 | 45.98 | -1.25 |