| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.09 | 0.02 |
| Feb | 1.85 | 1.91 | -0.06 |
| Mar | 2.39 | 2.31 | 0.08 |
| Apr | 3.80 | 3.77 | 0.03 |
| May | 4.59 | 4.56 | 0.03 |
| Jun | 4.50 | 4.43 | 0.07 |
| Jul | 4.28 | 4.37 | -0.09 |
| Aug | 4.03 | 3.93 | 0.10 |
| Sep | 3.38 | 3.33 | 0.05 |
| Oct | 3.35 | 3.29 | 0.06 |
| Nov | 2.62 | 2.55 | 0.07 |
| Dec | 2.15 | 2.12 | 0.03 |
39.05 | 38.66 | 0.39 |