| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.36 | 0.04 |
| Feb | 0.56 | 0.51 | 0.05 |
| Mar | 1.25 | 1.31 | -0.06 |
| Apr | 2.56 | 2.53 | 0.03 |
| May | 4.02 | 4.00 | 0.02 |
| Jun | 3.69 | 3.71 | -0.02 |
| Jul | 3.10 | 3.10 | 0.00 |
| Aug | 2.87 | 2.60 | 0.27 |
| Sep | 2.01 | 2.07 | -0.06 |
| Oct | 1.91 | 1.76 | 0.15 |
| Nov | 0.81 | 0.83 | -0.02 |
| Dec | 0.53 | 0.55 | -0.02 |
23.71 | 23.33 | 0.38 |