| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.99 | -0.05 |
| Feb | 0.89 | 0.98 | -0.09 |
| Mar | 1.40 | 1.44 | -0.04 |
| Apr | 2.48 | 2.55 | -0.07 |
| May | 3.27 | 3.33 | -0.06 |
| Jun | 4.42 | 4.41 | 0.01 |
| Jul | 4.09 | 3.95 | 0.14 |
| Aug | 3.66 | 3.74 | -0.08 |
| Sep | 3.25 | 3.43 | -0.18 |
| Oct | 2.99 | 3.01 | -0.02 |
| Nov | 1.73 | 1.85 | -0.12 |
| Dec | 1.30 | 1.45 | -0.15 |
30.42 | 31.13 | -0.71 |