| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.92 | -0.03 |
| Feb | 0.93 | 0.96 | -0.03 |
| Mar | 1.56 | 1.56 | 0.00 |
| Apr | 2.80 | 2.79 | 0.01 |
| May | 3.95 | 3.92 | 0.03 |
| Jun | 4.25 | 4.28 | -0.03 |
| Jul | 4.24 | 4.21 | 0.03 |
| Aug | 4.00 | 3.97 | 0.03 |
| Sep | 3.80 | 3.85 | -0.05 |
| Oct | 3.21 | 3.27 | -0.06 |
| Nov | 1.78 | 1.69 | 0.09 |
| Dec | 1.30 | 1.27 | 0.03 |
32.71 | 32.69 | 0.02 |