| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.73 | -0.04 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.46 | 1.57 | -0.11 |
| Apr | 2.69 | 2.68 | 0.01 |
| May | 3.97 | 4.00 | -0.03 |
| Jun | 4.21 | 4.19 | 0.02 |
| Jul | 4.02 | 3.99 | 0.03 |
| Aug | 3.91 | 4.01 | -0.10 |
| Sep | 3.09 | 3.13 | -0.04 |
| Oct | 2.68 | 2.68 | 0.00 |
| Nov | 1.43 | 1.48 | -0.05 |
| Dec | 0.97 | 1.04 | -0.07 |
29.93 | 30.31 | -0.38 |