| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.37 | -0.03 |
| Feb | 1.96 | 2.03 | -0.07 |
| Mar | 2.73 | 2.76 | -0.03 |
| Apr | 4.10 | 4.05 | 0.05 |
| May | 4.35 | 4.33 | 0.02 |
| Jun | 4.86 | 4.86 | 0.00 |
| Jul | 4.35 | 4.29 | 0.06 |
| Aug | 3.53 | 3.46 | 0.07 |
| Sep | 3.03 | 2.96 | 0.07 |
| Oct | 3.15 | 3.14 | 0.01 |
| Nov | 3.00 | 3.05 | -0.05 |
| Dec | 2.35 | 2.41 | -0.06 |
39.75 | 39.71 | 0.04 |