| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.84 | -0.09 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.55 | 1.56 | -0.01 |
| Apr | 2.97 | 2.95 | 0.02 |
| May | 4.22 | 4.25 | -0.03 |
| Jun | 4.91 | 4.55 | 0.36 |
| Jul | 4.04 | 3.99 | 0.05 |
| Aug | 4.25 | 4.45 | -0.20 |
| Sep | 3.38 | 3.22 | 0.16 |
| Oct | 2.54 | 2.53 | 0.01 |
| Nov | 1.51 | 1.56 | -0.05 |
| Dec | 1.09 | 1.20 | -0.11 |
31.99 | 31.96 | 0.03 |