| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.47 | -0.36 |
| Feb | 2.61 | 3.04 | -0.43 |
| Mar | 3.32 | 3.76 | -0.44 |
| Apr | 3.50 | 3.93 | -0.43 |
| May | 3.91 | 4.29 | -0.38 |
| Jun | 4.73 | 4.98 | -0.25 |
| Jul | 4.42 | 4.71 | -0.29 |
| Aug | 4.33 | 4.74 | -0.41 |
| Sep | 4.53 | 4.78 | -0.25 |
| Oct | 4.54 | 4.92 | -0.38 |
| Nov | 3.55 | 3.84 | -0.29 |
| Dec | 3.81 | 4.26 | -0.45 |
46.36 | 50.72 | -4.36 |