| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.14 | 4.69 | 0.45 |
| Feb | 5.05 | 4.64 | 0.41 |
| Mar | 4.11 | 3.58 | 0.53 |
| Apr | 1.95 | 1.94 | 0.01 |
| May | 0.91 | 0.93 | -0.02 |
| Jun | 0.17 | 0.26 | -0.09 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.03 | 0.06 | -0.03 |
| Sep | 0.11 | 0.13 | -0.02 |
| Oct | 1.25 | 1.17 | 0.08 |
| Nov | 2.87 | 2.55 | 0.32 |
| Dec | 5.49 | 5.29 | 0.20 |
27.09 | 25.26 | 1.83 |