| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.73 | 0.01 |
| Feb | 1.00 | 0.91 | 0.09 |
| Mar | 1.91 | 1.88 | 0.03 |
| Apr | 2.44 | 2.45 | -0.01 |
| May | 3.67 | 3.91 | -0.24 |
| Jun | 3.95 | 3.99 | -0.04 |
| Jul | 3.35 | 3.35 | 0.00 |
| Aug | 3.52 | 3.43 | 0.09 |
| Sep | 2.03 | 2.29 | -0.26 |
| Oct | 2.39 | 2.45 | -0.06 |
| Nov | 1.18 | 1.07 | 0.11 |
| Dec | 1.11 | 1.00 | 0.11 |
27.29 | 27.46 | -0.17 |