| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.51 | -0.15 |
| Feb | 3.01 | 3.07 | -0.06 |
| Mar | 3.43 | 3.56 | -0.13 |
| Apr | 3.38 | 3.41 | -0.03 |
| May | 3.53 | 3.45 | 0.08 |
| Jun | 4.89 | 4.71 | 0.18 |
| Jul | 5.26 | 4.98 | 0.28 |
| Aug | 4.86 | 5.25 | -0.39 |
| Sep | 5.34 | 5.45 | -0.11 |
| Oct | 3.23 | 3.32 | -0.09 |
| Nov | 3.23 | 3.37 | -0.14 |
| Dec | 3.42 | 3.44 | -0.02 |
46.94 | 47.52 | -0.58 |