| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.52 | -0.04 |
| Feb | 0.40 | 0.38 | 0.02 |
| Mar | 0.23 | 0.29 | -0.06 |
| Apr | 0.16 | 0.22 | -0.06 |
| May | 0.40 | 0.49 | -0.09 |
| Jun | 0.61 | 0.62 | -0.01 |
| Jul | 2.09 | 1.93 | 0.16 |
| Aug | 1.83 | 1.89 | -0.06 |
| Sep | 1.40 | 1.47 | -0.07 |
| Oct | 0.88 | 0.92 | -0.04 |
| Nov | 0.44 | 0.48 | -0.04 |
| Dec | 0.64 | 0.67 | -0.03 |
9.56 | 9.88 | -0.32 |