| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.67 | -0.01 |
| Feb | 0.67 | 0.70 | -0.03 |
| Mar | 1.29 | 1.30 | -0.01 |
| Apr | 2.24 | 2.31 | -0.07 |
| May | 3.42 | 3.45 | -0.03 |
| Jun | 4.26 | 4.29 | -0.03 |
| Jul | 4.33 | 4.33 | 0.00 |
| Aug | 3.49 | 3.37 | 0.12 |
| Sep | 2.95 | 2.88 | 0.07 |
| Oct | 2.67 | 2.71 | -0.04 |
| Nov | 1.24 | 1.26 | -0.02 |
| Dec | 0.89 | 0.91 | -0.02 |
28.11 | 28.18 | -0.07 |