| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.66 | -0.02 |
| Feb | 0.78 | 0.79 | -0.01 |
| Mar | 1.68 | 1.70 | -0.02 |
| Apr | 2.49 | 2.57 | -0.08 |
| May | 2.73 | 2.89 | -0.16 |
| Jun | 1.82 | 1.78 | 0.04 |
| Jul | 1.71 | 1.67 | 0.04 |
| Aug | 1.67 | 1.48 | 0.19 |
| Sep | 1.44 | 2.02 | -0.58 |
| Oct | 1.32 | 1.41 | -0.09 |
| Nov | 1.00 | 0.97 | 0.03 |
| Dec | 0.64 | 0.66 | -0.02 |
17.92 | 18.60 | -0.68 |