| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.69 | 0.04 |
| Feb | 0.76 | 0.75 | 0.01 |
| Mar | 1.45 | 1.43 | 0.02 |
| Apr | 2.47 | 2.51 | -0.04 |
| May | 3.49 | 3.50 | -0.01 |
| Jun | 4.39 | 4.41 | -0.02 |
| Jul | 4.20 | 4.05 | 0.15 |
| Aug | 3.68 | 3.68 | 0.00 |
| Sep | 2.85 | 2.91 | -0.06 |
| Oct | 2.66 | 2.70 | -0.04 |
| Nov | 1.31 | 1.29 | 0.02 |
| Dec | 0.88 | 0.92 | -0.04 |
28.87 | 28.84 | 0.03 |