| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.76 | -0.18 |
| Feb | 0.56 | 0.69 | -0.13 |
| Mar | 0.54 | 0.68 | -0.14 |
| Apr | 0.44 | 0.66 | -0.22 |
| May | 0.80 | 0.94 | -0.14 |
| Jun | 1.32 | 1.55 | -0.23 |
| Jul | 3.07 | 3.46 | -0.39 |
| Aug | 2.99 | 3.32 | -0.33 |
| Sep | 2.01 | 2.38 | -0.37 |
| Oct | 1.34 | 1.33 | 0.01 |
| Nov | 0.51 | 0.75 | -0.24 |
| Dec | 0.93 | 1.01 | -0.08 |
15.09 | 17.53 | -2.44 |