| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.99 | 0.02 |
| Feb | 0.93 | 0.82 | 0.11 |
| Mar | 1.07 | 1.06 | 0.01 |
| Apr | 1.95 | 2.01 | -0.06 |
| May | 2.95 | 2.96 | -0.01 |
| Jun | 3.97 | 3.92 | 0.05 |
| Jul | 3.93 | 4.08 | -0.15 |
| Aug | 3.05 | 3.13 | -0.08 |
| Sep | 3.49 | 3.56 | -0.07 |
| Oct | 2.73 | 2.74 | -0.01 |
| Nov | 1.75 | 1.54 | 0.21 |
| Dec | 1.35 | 1.27 | 0.08 |
28.18 | 28.08 | 0.10 |