| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.25 | -0.11 |
| Feb | 1.92 | 2.04 | -0.12 |
| Mar | 2.59 | 2.70 | -0.11 |
| Apr | 4.05 | 3.91 | 0.14 |
| May | 4.54 | 4.48 | 0.06 |
| Jun | 4.37 | 4.41 | -0.04 |
| Jul | 3.92 | 3.97 | -0.05 |
| Aug | 3.28 | 3.11 | 0.17 |
| Sep | 3.07 | 3.07 | 0.00 |
| Oct | 3.21 | 3.18 | 0.03 |
| Nov | 3.08 | 2.96 | 0.12 |
| Dec | 2.25 | 2.33 | -0.08 |
38.42 | 38.41 | 0.01 |