| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.73 | 0.03 |
| Feb | 1.09 | 0.99 | 0.10 |
| Mar | 2.01 | 1.97 | 0.04 |
| Apr | 2.31 | 2.41 | -0.10 |
| May | 4.45 | 4.47 | -0.02 |
| Jun | 4.07 | 4.03 | 0.04 |
| Jul | 3.70 | 3.54 | 0.16 |
| Aug | 3.63 | 3.49 | 0.14 |
| Sep | 2.17 | 2.10 | 0.07 |
| Oct | 2.37 | 2.39 | -0.02 |
| Nov | 1.23 | 1.19 | 0.04 |
| Dec | 1.05 | 1.05 | 0.00 |
28.84 | 28.36 | 0.48 |