| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.35 | 0.01 |
| Feb | 0.27 | 0.25 | 0.02 |
| Mar | 0.71 | 0.80 | -0.09 |
| Apr | 1.02 | 1.05 | -0.03 |
| May | 1.77 | 1.84 | -0.07 |
| Jun | 1.92 | 1.97 | -0.05 |
| Jul | 2.89 | 2.99 | -0.10 |
| Aug | 2.96 | 3.16 | -0.20 |
| Sep | 1.76 | 1.67 | 0.09 |
| Oct | 1.13 | 1.19 | -0.06 |
| Nov | 0.46 | 0.47 | -0.01 |
| Dec | 0.44 | 0.43 | 0.01 |
15.69 | 16.17 | -0.48 |