| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.22 | -0.24 |
| Feb | 2.33 | 2.43 | -0.10 |
| Mar | 1.49 | 1.66 | -0.17 |
| Apr | 0.65 | 0.76 | -0.11 |
| May | 0.23 | 0.29 | -0.06 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.03 | 0.08 | -0.05 |
| Aug | 0.01 | 0.03 | -0.02 |
| Sep | 0.12 | 0.13 | -0.01 |
| Oct | 0.41 | 0.54 | -0.13 |
| Nov | 0.77 | 0.79 | -0.02 |
| Dec | 1.57 | 1.78 | -0.21 |
9.64 | 10.76 | -1.12 |