| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.51 | -0.13 |
| Feb | 2.87 | 2.92 | -0.05 |
| Mar | 4.16 | 4.10 | 0.06 |
| Apr | 3.97 | 4.04 | -0.07 |
| May | 3.83 | 3.78 | 0.05 |
| Jun | 4.38 | 4.47 | -0.09 |
| Jul | 4.34 | 4.40 | -0.06 |
| Aug | 4.28 | 4.56 | -0.28 |
| Sep | 4.20 | 4.29 | -0.09 |
| Oct | 4.23 | 4.27 | -0.04 |
| Nov | 3.57 | 3.48 | 0.09 |
| Dec | 4.24 | 4.30 | -0.06 |
47.45 | 48.12 | -0.67 |