| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.60 | 0.12 |
| Feb | 1.97 | 1.74 | 0.23 |
| Mar | 1.54 | 1.47 | 0.07 |
| Apr | 0.57 | 0.58 | -0.01 |
| May | 0.54 | 0.49 | 0.05 |
| Jun | 0.30 | 0.24 | 0.06 |
| Jul | 2.29 | 2.60 | -0.31 |
| Aug | 2.96 | 2.70 | 0.26 |
| Sep | 1.63 | 1.77 | -0.14 |
| Oct | 1.02 | 0.94 | 0.08 |
| Nov | 0.95 | 0.81 | 0.14 |
| Dec | 1.58 | 1.40 | 0.18 |
17.07 | 16.34 | 0.73 |