| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.76 | 0.76 | 0.00 |
| Mar | 1.37 | 1.39 | -0.02 |
| Apr | 2.36 | 2.45 | -0.09 |
| May | 3.44 | 3.47 | -0.03 |
| Jun | 4.38 | 4.43 | -0.05 |
| Jul | 4.22 | 4.18 | 0.04 |
| Aug | 3.63 | 3.70 | -0.07 |
| Sep | 2.94 | 2.95 | -0.01 |
| Oct | 2.68 | 2.71 | -0.03 |
| Nov | 1.29 | 1.29 | 0.00 |
| Dec | 0.88 | 0.94 | -0.06 |
28.66 | 28.95 | -0.29 |