| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.73 | 0.04 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.47 | 1.49 | -0.02 |
| Apr | 2.46 | 2.53 | -0.07 |
| May | 3.55 | 3.53 | 0.02 |
| Jun | 4.52 | 4.49 | 0.03 |
| Jul | 4.57 | 4.69 | -0.12 |
| Aug | 3.93 | 3.79 | 0.14 |
| Sep | 3.27 | 3.17 | 0.10 |
| Oct | 2.98 | 2.97 | 0.01 |
| Nov | 1.57 | 1.53 | 0.04 |
| Dec | 1.07 | 1.16 | -0.09 |
30.97 | 30.89 | 0.08 |