| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.66 | -0.15 |
| Feb | 2.94 | 2.98 | -0.04 |
| Mar | 4.15 | 4.18 | -0.03 |
| Apr | 3.67 | 3.69 | -0.02 |
| May | 3.71 | 3.73 | -0.02 |
| Jun | 4.33 | 4.25 | 0.08 |
| Jul | 4.68 | 4.61 | 0.07 |
| Aug | 4.52 | 4.38 | 0.14 |
| Sep | 4.83 | 5.10 | -0.27 |
| Oct | 3.50 | 3.49 | 0.01 |
| Nov | 3.30 | 3.34 | -0.04 |
| Dec | 3.53 | 3.56 | -0.03 |
46.67 | 46.97 | -0.30 |