| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.55 | 0.06 |
| Feb | 0.58 | 0.54 | 0.04 |
| Mar | 0.90 | 0.89 | 0.01 |
| Apr | 1.26 | 1.32 | -0.06 |
| May | 1.73 | 2.02 | -0.29 |
| Jun | 1.75 | 1.69 | 0.06 |
| Jul | 3.94 | 3.91 | 0.03 |
| Aug | 3.58 | 3.89 | -0.31 |
| Sep | 2.21 | 2.36 | -0.15 |
| Oct | 1.35 | 1.50 | -0.15 |
| Nov | 0.72 | 0.73 | -0.01 |
| Dec | 0.70 | 0.66 | 0.04 |
19.33 | 20.06 | -0.73 |