| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.82 | 0.10 |
| Feb | 0.81 | 0.66 | 0.15 |
| Mar | 0.58 | 0.49 | 0.09 |
| Apr | 0.23 | 0.23 | 0.00 |
| May | 0.18 | 0.20 | -0.02 |
| Jun | 0.44 | 0.52 | -0.08 |
| Jul | 3.51 | 3.30 | 0.21 |
| Aug | 3.25 | 3.46 | -0.21 |
| Sep | 1.65 | 1.64 | 0.01 |
| Oct | 0.68 | 0.67 | 0.01 |
| Nov | 0.59 | 0.54 | 0.05 |
| Dec | 0.89 | 0.86 | 0.03 |
13.73 | 13.39 | 0.34 |