| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.71 | -0.04 |
| Feb | 0.70 | 0.70 | 0.00 |
| Mar | 1.29 | 1.34 | -0.05 |
| Apr | 2.19 | 2.33 | -0.14 |
| May | 3.52 | 3.52 | 0.00 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.49 | 4.56 | -0.07 |
| Aug | 3.47 | 3.32 | 0.15 |
| Sep | 2.97 | 2.93 | 0.04 |
| Oct | 2.79 | 2.74 | 0.05 |
| Nov | 1.36 | 1.34 | 0.02 |
| Dec | 0.94 | 0.97 | -0.03 |
28.75 | 28.87 | -0.12 |