| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.25 | 0.32 | -0.07 |
| Feb | 0.29 | 0.36 | -0.07 |
| Mar | 0.60 | 0.57 | 0.03 |
| Apr | 1.22 | 1.25 | -0.03 |
| May | 1.92 | 1.86 | 0.06 |
| Jun | 2.10 | 2.14 | -0.04 |
| Jul | 0.99 | 0.98 | 0.01 |
| Aug | 0.91 | 0.90 | 0.01 |
| Sep | 1.00 | 0.92 | 0.08 |
| Oct | 0.88 | 0.86 | 0.02 |
| Nov | 0.38 | 0.40 | -0.02 |
| Dec | 0.33 | 0.41 | -0.08 |
10.87 | 10.97 | -0.10 |