| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.26 | 0.26 | 0.00 |
| Feb | 0.29 | 0.28 | 0.01 |
| Mar | 0.68 | 0.69 | -0.01 |
| Apr | 1.24 | 1.09 | 0.15 |
| May | 1.76 | 1.70 | 0.06 |
| Jun | 1.92 | 1.96 | -0.04 |
| Jul | 2.58 | 2.49 | 0.09 |
| Aug | 2.36 | 2.26 | 0.10 |
| Sep | 0.94 | 0.95 | -0.01 |
| Oct | 1.03 | 0.91 | 0.12 |
| Nov | 0.40 | 0.37 | 0.03 |
| Dec | 0.28 | 0.35 | -0.07 |
13.74 | 13.31 | 0.43 |