| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.99 | -0.02 |
| Feb | 1.04 | 1.03 | 0.01 |
| Mar | 1.80 | 1.86 | -0.06 |
| Apr | 3.05 | 3.06 | -0.01 |
| May | 4.09 | 4.08 | 0.01 |
| Jun | 4.78 | 4.89 | -0.11 |
| Jul | 3.87 | 4.00 | -0.13 |
| Aug | 4.12 | 4.34 | -0.22 |
| Sep | 3.61 | 3.54 | 0.07 |
| Oct | 2.85 | 2.82 | 0.03 |
| Nov | 1.81 | 1.76 | 0.05 |
| Dec | 1.33 | 1.32 | 0.01 |
33.32 | 33.69 | -0.37 |