| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.16 | 2.26 | -0.10 |
| Feb | 1.96 | 2.01 | -0.05 |
| Mar | 2.71 | 2.70 | 0.01 |
| Apr | 4.04 | 4.03 | 0.01 |
| May | 4.58 | 4.53 | 0.05 |
| Jun | 4.36 | 4.46 | -0.10 |
| Jul | 4.02 | 3.89 | 0.13 |
| Aug | 3.34 | 3.23 | 0.11 |
| Sep | 3.05 | 3.07 | -0.02 |
| Oct | 3.29 | 3.27 | 0.02 |
| Nov | 3.02 | 3.03 | -0.01 |
| Dec | 2.27 | 2.33 | -0.06 |
38.80 | 38.81 | -0.01 |