| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.62 | 0.06 |
| Feb | 2.84 | 2.84 | 0.00 |
| Mar | 4.16 | 4.05 | 0.11 |
| Apr | 3.45 | 3.53 | -0.08 |
| May | 3.76 | 3.84 | -0.08 |
| Jun | 4.62 | 4.68 | -0.06 |
| Jul | 5.35 | 5.31 | 0.04 |
| Aug | 5.23 | 5.25 | -0.02 |
| Sep | 5.21 | 5.34 | -0.13 |
| Oct | 3.56 | 3.73 | -0.17 |
| Nov | 3.31 | 3.24 | 0.07 |
| Dec | 3.49 | 3.56 | -0.07 |
48.66 | 48.99 | -0.33 |