| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.84 | -0.10 |
| Feb | 0.73 | 0.76 | -0.03 |
| Mar | 1.32 | 1.43 | -0.11 |
| Apr | 2.25 | 2.42 | -0.17 |
| May | 3.48 | 3.54 | -0.06 |
| Jun | 4.39 | 4.41 | -0.02 |
| Jul | 4.47 | 4.46 | 0.01 |
| Aug | 3.45 | 3.30 | 0.15 |
| Sep | 3.00 | 2.93 | 0.07 |
| Oct | 2.83 | 2.74 | 0.09 |
| Nov | 1.41 | 1.49 | -0.08 |
| Dec | 0.99 | 1.04 | -0.05 |
29.06 | 29.36 | -0.30 |