| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.68 | -0.04 |
| Feb | 0.66 | 0.70 | -0.04 |
| Mar | 1.24 | 1.30 | -0.06 |
| Apr | 2.14 | 2.27 | -0.13 |
| May | 3.41 | 3.43 | -0.02 |
| Jun | 4.26 | 4.30 | -0.04 |
| Jul | 4.37 | 4.38 | -0.01 |
| Aug | 3.41 | 3.25 | 0.16 |
| Sep | 2.91 | 2.86 | 0.05 |
| Oct | 2.69 | 2.72 | -0.03 |
| Nov | 1.25 | 1.26 | -0.01 |
| Dec | 0.89 | 0.93 | -0.04 |
27.87 | 28.08 | -0.21 |