| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.01 | -0.04 |
| Feb | 1.05 | 1.01 | 0.04 |
| Mar | 1.70 | 1.68 | 0.02 |
| Apr | 3.01 | 3.07 | -0.06 |
| May | 3.89 | 3.89 | 0.00 |
| Jun | 4.65 | 4.67 | -0.02 |
| Jul | 3.80 | 3.88 | -0.08 |
| Aug | 3.92 | 4.08 | -0.16 |
| Sep | 3.59 | 3.68 | -0.09 |
| Oct | 2.82 | 2.77 | 0.05 |
| Nov | 1.82 | 1.76 | 0.06 |
| Dec | 1.26 | 1.29 | -0.03 |
32.48 | 32.79 | -0.31 |