| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.48 | 0.00 |
| Feb | 0.71 | 0.73 | -0.02 |
| Mar | 1.25 | 1.27 | -0.02 |
| Apr | 1.91 | 2.01 | -0.10 |
| May | 3.42 | 3.39 | 0.03 |
| Jun | 3.13 | 3.20 | -0.07 |
| Jul | 3.59 | 3.45 | 0.14 |
| Aug | 2.89 | 2.89 | 0.00 |
| Sep | 1.67 | 1.72 | -0.05 |
| Oct | 1.60 | 1.63 | -0.03 |
| Nov | 0.79 | 0.81 | -0.02 |
| Dec | 0.75 | 0.83 | -0.08 |
22.19 | 22.41 | -0.22 |