| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.65 | 0.06 |
| Feb | 0.74 | 0.74 | 0.00 |
| Mar | 1.37 | 1.38 | -0.01 |
| Apr | 2.36 | 2.42 | -0.06 |
| May | 3.38 | 3.43 | -0.05 |
| Jun | 4.39 | 4.40 | -0.01 |
| Jul | 4.18 | 4.17 | 0.01 |
| Aug | 3.57 | 3.66 | -0.09 |
| Sep | 2.89 | 2.97 | -0.08 |
| Oct | 2.63 | 2.69 | -0.06 |
| Nov | 1.26 | 1.26 | 0.00 |
| Dec | 0.86 | 0.91 | -0.05 |
28.34 | 28.68 | -0.34 |