| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 1.92 | -0.03 |
| Feb | 1.68 | 1.70 | -0.02 |
| Mar | 1.40 | 1.40 | 0.00 |
| Apr | 1.35 | 1.21 | 0.14 |
| May | 1.20 | 1.39 | -0.19 |
| Jun | 0.68 | 0.71 | -0.03 |
| Jul | 1.83 | 1.98 | -0.15 |
| Aug | 2.29 | 2.43 | -0.14 |
| Sep | 2.08 | 2.17 | -0.09 |
| Oct | 1.73 | 1.79 | -0.06 |
| Nov | 1.51 | 1.60 | -0.09 |
| Dec | 1.74 | 1.68 | 0.06 |
19.38 | 19.98 | -0.60 |