| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.73 | -0.04 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.47 | 1.56 | -0.09 |
| Apr | 2.67 | 2.68 | -0.01 |
| May | 3.95 | 3.97 | -0.02 |
| Jun | 4.19 | 4.18 | 0.01 |
| Jul | 4.04 | 3.99 | 0.05 |
| Aug | 3.90 | 3.99 | -0.09 |
| Sep | 3.07 | 3.11 | -0.04 |
| Oct | 2.69 | 2.68 | 0.01 |
| Nov | 1.43 | 1.48 | -0.05 |
| Dec | 0.97 | 1.03 | -0.06 |
29.88 | 30.21 | -0.33 |