| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.75 | -0.02 |
| Feb | 0.70 | 0.73 | -0.03 |
| Mar | 1.36 | 1.39 | -0.03 |
| Apr | 2.40 | 2.46 | -0.06 |
| May | 3.40 | 3.35 | 0.05 |
| Jun | 4.40 | 4.48 | -0.08 |
| Jul | 4.38 | 4.27 | 0.11 |
| Aug | 3.63 | 3.43 | 0.20 |
| Sep | 2.95 | 3.01 | -0.06 |
| Oct | 2.71 | 2.79 | -0.08 |
| Nov | 1.22 | 1.23 | -0.01 |
| Dec | 0.86 | 0.95 | -0.09 |
28.74 | 28.84 | -0.10 |