| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.52 | 0.07 |
| Feb | 2.00 | 2.08 | -0.08 |
| Mar | 2.60 | 2.69 | -0.09 |
| Apr | 3.86 | 3.83 | 0.03 |
| May | 4.46 | 4.47 | -0.01 |
| Jun | 4.59 | 4.44 | 0.15 |
| Jul | 4.31 | 4.17 | 0.14 |
| Aug | 3.84 | 3.78 | 0.06 |
| Sep | 3.10 | 3.06 | 0.04 |
| Oct | 2.96 | 2.88 | 0.08 |
| Nov | 3.11 | 3.03 | 0.08 |
| Dec | 2.40 | 2.39 | 0.01 |
39.82 | 39.34 | 0.48 |