| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.35 | 0.07 |
| Feb | 0.58 | 0.53 | 0.05 |
| Mar | 1.08 | 1.02 | 0.06 |
| Apr | 1.92 | 1.89 | 0.03 |
| May | 2.87 | 2.90 | -0.03 |
| Jun | 2.47 | 2.50 | -0.03 |
| Jul | 2.06 | 2.07 | -0.01 |
| Aug | 1.72 | 1.83 | -0.11 |
| Sep | 1.54 | 1.48 | 0.06 |
| Oct | 1.37 | 1.34 | 0.03 |
| Nov | 0.64 | 0.64 | 0.00 |
| Dec | 0.57 | 0.54 | 0.03 |
17.24 | 17.09 | 0.15 |