| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.72 | -0.03 |
| Feb | 2.83 | 2.92 | -0.09 |
| Mar | 3.92 | 3.91 | 0.01 |
| Apr | 3.68 | 3.70 | -0.02 |
| May | 4.67 | 4.87 | -0.20 |
| Jun | 3.71 | 3.75 | -0.04 |
| Jul | 2.19 | 2.16 | 0.03 |
| Aug | 2.25 | 2.29 | -0.04 |
| Sep | 3.07 | 3.09 | -0.02 |
| Oct | 4.72 | 4.67 | 0.05 |
| Nov | 3.26 | 3.32 | -0.06 |
| Dec | 3.40 | 3.49 | -0.09 |
40.39 | 40.89 | -0.50 |