| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 3.14 | -0.71 |
| Feb | 2.23 | 2.66 | -0.43 |
| Mar | 2.31 | 2.93 | -0.62 |
| Apr | 2.72 | 3.26 | -0.54 |
| May | 3.46 | 3.21 | 0.25 |
| Jun | 4.05 | 3.95 | 0.10 |
| Jul | 4.32 | 4.18 | 0.14 |
| Aug | 3.75 | 3.68 | 0.07 |
| Sep | 3.47 | 3.57 | -0.10 |
| Oct | 4.03 | 4.36 | -0.33 |
| Nov | 3.03 | 3.57 | -0.54 |
| Dec | 2.93 | 3.81 | -0.88 |
38.73 | 42.32 | -3.59 |