| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.70 | -0.08 |
| Feb | 0.68 | 0.72 | -0.04 |
| Mar | 1.46 | 1.47 | -0.01 |
| Apr | 2.24 | 2.32 | -0.08 |
| May | 2.27 | 2.50 | -0.23 |
| Jun | 1.87 | 2.07 | -0.20 |
| Jul | 2.38 | 2.10 | 0.28 |
| Aug | 2.13 | 2.28 | -0.15 |
| Sep | 1.39 | 1.45 | -0.06 |
| Oct | 1.05 | 1.21 | -0.16 |
| Nov | 0.76 | 1.01 | -0.25 |
| Dec | 0.64 | 0.73 | -0.09 |
17.49 | 18.56 | -1.07 |