| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.89 | -0.02 |
| Feb | 0.81 | 0.75 | 0.06 |
| Mar | 1.00 | 1.06 | -0.06 |
| Apr | 1.91 | 1.93 | -0.02 |
| May | 2.99 | 3.11 | -0.12 |
| Jun | 4.02 | 4.07 | -0.05 |
| Jul | 3.95 | 3.94 | 0.01 |
| Aug | 3.26 | 3.19 | 0.07 |
| Sep | 3.53 | 3.60 | -0.07 |
| Oct | 2.71 | 2.63 | 0.08 |
| Nov | 1.54 | 1.41 | 0.13 |
| Dec | 1.10 | 1.10 | 0.00 |
27.69 | 27.68 | 0.01 |