| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.43 | -0.06 |
| Feb | 0.58 | 0.62 | -0.04 |
| Mar | 0.93 | 0.98 | -0.05 |
| Apr | 1.63 | 1.85 | -0.22 |
| May | 2.36 | 2.65 | -0.29 |
| Jun | 1.07 | 1.12 | -0.05 |
| Jul | 0.59 | 0.60 | -0.01 |
| Aug | 0.55 | 0.58 | -0.03 |
| Sep | 0.98 | 0.94 | 0.04 |
| Oct | 1.17 | 1.23 | -0.06 |
| Nov | 0.53 | 0.56 | -0.03 |
| Dec | 0.46 | 0.58 | -0.12 |
11.22 | 12.14 | -0.92 |