| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.76 | -0.07 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.47 | 1.45 | 0.02 |
| Apr | 2.83 | 2.83 | 0.00 |
| May | 4.09 | 4.15 | -0.06 |
| Jun | 4.55 | 4.54 | 0.01 |
| Jul | 3.88 | 3.87 | 0.01 |
| Aug | 4.14 | 4.15 | -0.01 |
| Sep | 3.34 | 3.25 | 0.09 |
| Oct | 2.59 | 2.54 | 0.05 |
| Nov | 1.43 | 1.48 | -0.05 |
| Dec | 1.00 | 1.12 | -0.12 |
30.79 | 31.02 | -0.23 |