| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.71 | 0.01 |
| Feb | 0.78 | 0.78 | 0.00 |
| Mar | 1.43 | 1.45 | -0.02 |
| Apr | 2.59 | 2.64 | -0.05 |
| May | 3.41 | 3.40 | 0.01 |
| Jun | 4.44 | 4.52 | -0.08 |
| Jul | 4.10 | 4.06 | 0.04 |
| Aug | 3.78 | 3.83 | -0.05 |
| Sep | 2.93 | 2.97 | -0.04 |
| Oct | 2.50 | 2.52 | -0.02 |
| Nov | 1.33 | 1.30 | 0.03 |
| Dec | 0.88 | 0.91 | -0.03 |
28.89 | 29.09 | -0.20 |