| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.68 | 0.05 |
| Feb | 0.76 | 0.74 | 0.02 |
| Mar | 1.43 | 1.41 | 0.02 |
| Apr | 2.44 | 2.49 | -0.05 |
| May | 3.47 | 3.46 | 0.01 |
| Jun | 4.39 | 4.43 | -0.04 |
| Jul | 4.22 | 4.08 | 0.14 |
| Aug | 3.64 | 3.61 | 0.03 |
| Sep | 2.87 | 2.91 | -0.04 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 1.30 | 1.27 | 0.03 |
| Dec | 0.87 | 0.92 | -0.05 |
28.78 | 28.71 | 0.07 |