| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.60 | -0.12 |
| Feb | 2.91 | 2.95 | -0.04 |
| Mar | 4.13 | 4.21 | -0.08 |
| Apr | 3.81 | 3.88 | -0.07 |
| May | 4.04 | 4.02 | 0.02 |
| Jun | 4.44 | 4.57 | -0.13 |
| Jul | 4.81 | 4.89 | -0.08 |
| Aug | 4.38 | 4.45 | -0.07 |
| Sep | 4.23 | 4.37 | -0.14 |
| Oct | 4.26 | 4.26 | 0.00 |
| Nov | 3.40 | 3.43 | -0.03 |
| Dec | 4.34 | 4.38 | -0.04 |
48.23 | 49.01 | -0.78 |