| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.92 | -0.18 |
| Feb | 0.71 | 0.80 | -0.09 |
| Mar | 1.06 | 1.15 | -0.09 |
| Apr | 1.83 | 2.01 | -0.18 |
| May | 3.00 | 3.13 | -0.13 |
| Jun | 4.41 | 4.49 | -0.08 |
| Jul | 3.82 | 4.09 | -0.27 |
| Aug | 3.37 | 3.51 | -0.14 |
| Sep | 3.15 | 3.40 | -0.25 |
| Oct | 2.59 | 2.80 | -0.21 |
| Nov | 1.35 | 1.50 | -0.15 |
| Dec | 0.99 | 1.22 | -0.23 |
27.02 | 29.02 | -2.00 |