| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.85 | -0.02 |
| Feb | 2.41 | 2.44 | -0.03 |
| Mar | 3.37 | 3.35 | 0.02 |
| Apr | 3.70 | 3.54 | 0.16 |
| May | 3.97 | 3.73 | 0.24 |
| Jun | 4.07 | 4.02 | 0.05 |
| Jul | 4.04 | 3.79 | 0.25 |
| Aug | 3.91 | 3.87 | 0.04 |
| Sep | 4.19 | 3.95 | 0.24 |
| Oct | 3.55 | 3.51 | 0.04 |
| Nov | 3.13 | 3.04 | 0.09 |
| Dec | 3.20 | 3.15 | 0.05 |
42.37 | 41.24 | 1.13 |