| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.94 | 0.02 |
| Feb | 0.89 | 0.80 | 0.09 |
| Mar | 1.04 | 1.06 | -0.02 |
| Apr | 1.92 | 1.98 | -0.06 |
| May | 2.95 | 3.01 | -0.06 |
| Jun | 3.98 | 3.96 | 0.02 |
| Jul | 3.95 | 4.02 | -0.07 |
| Aug | 3.10 | 3.14 | -0.04 |
| Sep | 3.47 | 3.55 | -0.08 |
| Oct | 2.70 | 2.68 | 0.02 |
| Nov | 1.69 | 1.47 | 0.22 |
| Dec | 1.26 | 1.16 | 0.10 |
27.91 | 27.77 | 0.14 |