| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.84 | 0.00 |
| Feb | 2.00 | 1.96 | 0.04 |
| Mar | 3.01 | 2.95 | 0.06 |
| Apr | 2.37 | 2.70 | -0.33 |
| May | 3.93 | 4.02 | -0.09 |
| Jun | 4.19 | 4.71 | -0.52 |
| Jul | 3.35 | 3.69 | -0.34 |
| Aug | 3.36 | 3.54 | -0.18 |
| Sep | 4.94 | 4.91 | 0.03 |
| Oct | 3.87 | 3.98 | -0.11 |
| Nov | 2.96 | 3.19 | -0.23 |
| Dec | 2.53 | 2.76 | -0.23 |
39.35 | 41.25 | -1.90 |