| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.50 | -0.04 |
| Feb | 2.06 | 2.06 | 0.00 |
| Mar | 2.37 | 2.40 | -0.03 |
| Apr | 3.65 | 3.74 | -0.09 |
| May | 4.33 | 4.39 | -0.06 |
| Jun | 4.47 | 4.53 | -0.06 |
| Jul | 4.00 | 4.01 | -0.01 |
| Aug | 3.95 | 3.97 | -0.02 |
| Sep | 3.02 | 2.95 | 0.07 |
| Oct | 2.97 | 2.91 | 0.06 |
| Nov | 2.86 | 2.97 | -0.11 |
| Dec | 2.30 | 2.32 | -0.02 |
38.44 | 38.75 | -0.31 |