| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.74 | -0.02 |
| Feb | 0.79 | 0.85 | -0.06 |
| Mar | 1.47 | 1.53 | -0.06 |
| Apr | 2.69 | 2.72 | -0.03 |
| May | 4.04 | 4.00 | 0.04 |
| Jun | 4.31 | 4.26 | 0.05 |
| Jul | 4.28 | 4.25 | 0.03 |
| Aug | 4.01 | 4.01 | 0.00 |
| Sep | 3.25 | 3.16 | 0.09 |
| Oct | 2.75 | 2.84 | -0.09 |
| Nov | 1.52 | 1.57 | -0.05 |
| Dec | 1.01 | 1.10 | -0.09 |
30.84 | 31.03 | -0.19 |