| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.89 | 0.08 |
| Feb | 1.16 | 1.04 | 0.12 |
| Mar | 1.86 | 1.65 | 0.21 |
| Apr | 2.25 | 1.98 | 0.27 |
| May | 1.78 | 1.85 | -0.07 |
| Jun | 1.31 | 1.30 | 0.01 |
| Jul | 2.90 | 2.97 | -0.07 |
| Aug | 2.76 | 2.64 | 0.12 |
| Sep | 1.38 | 1.32 | 0.06 |
| Oct | 1.38 | 1.29 | 0.09 |
| Nov | 1.25 | 0.98 | 0.27 |
| Dec | 1.21 | 1.00 | 0.21 |
20.21 | 18.91 | 1.30 |