| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.28 | 0.01 |
| Feb | 0.34 | 0.30 | 0.04 |
| Mar | 0.77 | 0.75 | 0.02 |
| Apr | 1.43 | 1.45 | -0.02 |
| May | 2.24 | 2.40 | -0.16 |
| Jun | 2.34 | 2.14 | 0.20 |
| Jul | 2.27 | 2.23 | 0.04 |
| Aug | 1.98 | 1.79 | 0.19 |
| Sep | 1.20 | 1.12 | 0.08 |
| Oct | 1.10 | 1.05 | 0.05 |
| Nov | 0.49 | 0.47 | 0.02 |
| Dec | 0.33 | 0.33 | 0.00 |
14.78 | 14.31 | 0.47 |