| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.86 | -0.13 |
| Feb | 0.69 | 0.78 | -0.09 |
| Mar | 1.03 | 1.10 | -0.07 |
| Apr | 1.81 | 2.03 | -0.22 |
| May | 2.96 | 3.10 | -0.14 |
| Jun | 4.34 | 4.40 | -0.06 |
| Jul | 3.74 | 4.12 | -0.38 |
| Aug | 3.36 | 3.40 | -0.04 |
| Sep | 3.33 | 3.41 | -0.08 |
| Oct | 2.56 | 2.75 | -0.19 |
| Nov | 1.36 | 1.46 | -0.10 |
| Dec | 0.97 | 1.19 | -0.22 |
26.88 | 28.60 | -1.72 |