| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.74 | 0.07 |
| Feb | 0.85 | 0.82 | 0.03 |
| Mar | 1.53 | 1.46 | 0.07 |
| Apr | 2.58 | 2.33 | 0.25 |
| May | 3.52 | 3.41 | 0.11 |
| Jun | 2.22 | 2.22 | 0.00 |
| Jul | 1.29 | 1.32 | -0.03 |
| Aug | 0.83 | 0.96 | -0.13 |
| Sep | 1.64 | 1.70 | -0.06 |
| Oct | 2.26 | 1.98 | 0.28 |
| Nov | 1.10 | 0.99 | 0.11 |
| Dec | 0.89 | 0.65 | 0.24 |
19.52 | 18.58 | 0.94 |