| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.69 | -0.05 |
| Feb | 0.76 | 0.82 | -0.06 |
| Mar | 1.41 | 1.46 | -0.05 |
| Apr | 2.59 | 2.67 | -0.08 |
| May | 3.49 | 3.65 | -0.16 |
| Jun | 4.80 | 4.78 | 0.02 |
| Jul | 3.86 | 3.63 | 0.23 |
| Aug | 4.07 | 4.03 | 0.04 |
| Sep | 2.90 | 3.09 | -0.19 |
| Oct | 2.33 | 2.38 | -0.05 |
| Nov | 1.27 | 1.29 | -0.02 |
| Dec | 0.87 | 0.96 | -0.09 |
28.99 | 29.45 | -0.46 |