| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.50 | -0.01 |
| Feb | 0.40 | 0.45 | -0.05 |
| Mar | 1.20 | 1.22 | -0.02 |
| Apr | 1.70 | 1.68 | 0.02 |
| May | 2.34 | 2.43 | -0.09 |
| Jun | 3.10 | 3.06 | 0.04 |
| Jul | 2.99 | 2.91 | 0.08 |
| Aug | 2.80 | 2.89 | -0.09 |
| Sep | 1.36 | 1.37 | -0.01 |
| Oct | 1.78 | 1.78 | 0.00 |
| Nov | 0.62 | 0.64 | -0.02 |
| Dec | 0.74 | 0.83 | -0.09 |
19.52 | 19.76 | -0.24 |