| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.74 | -0.15 |
| Feb | 0.67 | 0.79 | -0.12 |
| Mar | 1.52 | 1.80 | -0.28 |
| Apr | 2.27 | 2.51 | -0.24 |
| May | 2.33 | 2.43 | -0.10 |
| Jun | 1.84 | 1.89 | -0.05 |
| Jul | 2.03 | 2.09 | -0.06 |
| Aug | 1.97 | 2.19 | -0.22 |
| Sep | 1.45 | 1.37 | 0.08 |
| Oct | 1.14 | 1.40 | -0.26 |
| Nov | 0.80 | 1.02 | -0.22 |
| Dec | 0.64 | 0.76 | -0.12 |
17.25 | 18.99 | -1.74 |