| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.75 | -0.26 |
| Feb | 3.10 | 3.39 | -0.29 |
| Mar | 4.32 | 4.63 | -0.31 |
| Apr | 3.87 | 4.02 | -0.15 |
| May | 3.34 | 3.42 | -0.08 |
| Jun | 3.78 | 3.74 | 0.04 |
| Jul | 3.07 | 2.91 | 0.16 |
| Aug | 3.67 | 4.05 | -0.38 |
| Sep | 3.85 | 4.16 | -0.31 |
| Oct | 4.43 | 4.49 | -0.06 |
| Nov | 3.69 | 3.58 | 0.11 |
| Dec | 4.48 | 4.50 | -0.02 |
45.09 | 46.64 | -1.55 |