| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.06 | 0.01 |
| Feb | 1.02 | 0.99 | 0.03 |
| Mar | 1.63 | 1.58 | 0.05 |
| Apr | 2.90 | 2.73 | 0.17 |
| May | 3.73 | 3.87 | -0.14 |
| Jun | 4.66 | 4.55 | 0.11 |
| Jul | 3.96 | 4.33 | -0.37 |
| Aug | 3.91 | 3.96 | -0.05 |
| Sep | 3.65 | 4.06 | -0.41 |
| Oct | 3.33 | 3.44 | -0.11 |
| Nov | 1.93 | 1.73 | 0.20 |
| Dec | 1.36 | 1.36 | 0.00 |
33.15 | 33.66 | -0.51 |