| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.97 | -0.26 |
| Feb | 1.53 | 1.66 | -0.13 |
| Mar | 1.13 | 1.35 | -0.22 |
| Apr | 1.08 | 1.10 | -0.02 |
| May | 1.06 | 1.17 | -0.11 |
| Jun | 0.51 | 0.58 | -0.07 |
| Jul | 1.83 | 1.80 | 0.03 |
| Aug | 2.09 | 2.28 | -0.19 |
| Sep | 2.09 | 2.17 | -0.08 |
| Oct | 1.71 | 1.85 | -0.14 |
| Nov | 1.36 | 1.45 | -0.09 |
| Dec | 1.46 | 1.63 | -0.17 |
17.56 | 19.01 | -1.45 |