| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.88 | -0.25 |
| Feb | 2.87 | 3.32 | -0.45 |
| Mar | 4.28 | 4.53 | -0.25 |
| Apr | 4.27 | 4.55 | -0.28 |
| May | 3.73 | 3.74 | -0.01 |
| Jun | 4.34 | 4.33 | 0.01 |
| Jul | 3.82 | 3.93 | -0.11 |
| Aug | 4.29 | 4.23 | 0.06 |
| Sep | 4.27 | 4.59 | -0.32 |
| Oct | 4.76 | 4.72 | 0.04 |
| Nov | 4.05 | 4.05 | 0.00 |
| Dec | 4.44 | 4.81 | -0.37 |
48.75 | 50.68 | -1.93 |