| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.48 | -0.01 |
| Feb | 1.35 | 1.45 | -0.10 |
| Mar | 1.93 | 1.94 | -0.01 |
| Apr | 2.54 | 2.34 | 0.20 |
| May | 2.22 | 1.93 | 0.29 |
| Jun | 1.03 | 0.96 | 0.07 |
| Jul | 0.57 | 0.58 | -0.01 |
| Aug | 0.63 | 0.60 | 0.03 |
| Sep | 1.28 | 1.27 | 0.01 |
| Oct | 1.47 | 1.38 | 0.09 |
| Nov | 1.41 | 1.43 | -0.02 |
| Dec | 1.41 | 1.33 | 0.08 |
17.31 | 16.69 | 0.62 |