| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.72 | -0.04 |
| Feb | 0.79 | 0.80 | -0.01 |
| Mar | 1.44 | 1.44 | 0.00 |
| Apr | 2.67 | 2.69 | -0.02 |
| May | 3.84 | 3.95 | -0.11 |
| Jun | 4.45 | 4.33 | 0.12 |
| Jul | 3.79 | 3.83 | -0.04 |
| Aug | 3.92 | 4.09 | -0.17 |
| Sep | 3.13 | 3.12 | 0.01 |
| Oct | 2.44 | 2.53 | -0.09 |
| Nov | 1.40 | 1.37 | 0.03 |
| Dec | 0.95 | 1.01 | -0.06 |
29.50 | 29.88 | -0.38 |