| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.39 | -0.03 |
| Feb | 0.36 | 0.36 | 0.00 |
| Mar | 0.98 | 1.01 | -0.03 |
| Apr | 1.41 | 1.47 | -0.06 |
| May | 2.01 | 1.95 | 0.06 |
| Jun | 2.67 | 2.53 | 0.14 |
| Jul | 2.82 | 2.93 | -0.11 |
| Aug | 2.92 | 2.95 | -0.03 |
| Sep | 1.21 | 1.35 | -0.14 |
| Oct | 1.50 | 1.56 | -0.06 |
| Nov | 0.46 | 0.47 | -0.01 |
| Dec | 0.54 | 0.65 | -0.11 |
17.24 | 17.62 | -0.38 |