| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.68 | 0.05 |
| Feb | 1.69 | 1.73 | -0.04 |
| Mar | 2.20 | 2.23 | -0.03 |
| Apr | 3.58 | 3.45 | 0.13 |
| May | 4.50 | 4.75 | -0.25 |
| Jun | 4.79 | 4.59 | 0.20 |
| Jul | 3.83 | 3.75 | 0.08 |
| Aug | 3.93 | 3.88 | 0.05 |
| Sep | 3.44 | 3.33 | 0.11 |
| Oct | 3.03 | 2.96 | 0.07 |
| Nov | 2.41 | 2.29 | 0.12 |
| Dec | 1.98 | 1.98 | 0.00 |
37.11 | 36.62 | 0.49 |