| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.27 | 0.00 |
| Feb | 0.30 | 0.29 | 0.01 |
| Mar | 0.74 | 0.75 | -0.01 |
| Apr | 1.40 | 1.44 | -0.04 |
| May | 2.20 | 2.34 | -0.14 |
| Jun | 2.31 | 2.15 | 0.16 |
| Jul | 2.25 | 2.16 | 0.09 |
| Aug | 1.96 | 1.73 | 0.23 |
| Sep | 1.17 | 1.10 | 0.07 |
| Oct | 1.10 | 1.05 | 0.05 |
| Nov | 0.45 | 0.45 | 0.00 |
| Dec | 0.31 | 0.32 | -0.01 |
14.46 | 14.05 | 0.41 |