| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.29 | -0.13 |
| Feb | 1.03 | 1.14 | -0.11 |
| Mar | 1.88 | 1.91 | -0.03 |
| Apr | 3.31 | 3.38 | -0.07 |
| May | 3.87 | 3.98 | -0.11 |
| Jun | 4.41 | 4.74 | -0.33 |
| Jul | 3.57 | 3.80 | -0.23 |
| Aug | 3.77 | 3.72 | 0.05 |
| Sep | 3.38 | 3.39 | -0.01 |
| Oct | 2.64 | 2.70 | -0.06 |
| Nov | 1.93 | 1.95 | -0.02 |
| Dec | 1.59 | 1.61 | -0.02 |
32.54 | 33.61 | -1.07 |