| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.62 | -0.06 |
| Feb | 0.42 | 0.47 | -0.05 |
| Mar | 0.66 | 0.80 | -0.14 |
| Apr | 0.57 | 0.59 | -0.02 |
| May | 0.85 | 0.85 | 0.00 |
| Jun | 0.86 | 0.86 | 0.00 |
| Jul | 2.34 | 2.12 | 0.22 |
| Aug | 2.10 | 1.97 | 0.13 |
| Sep | 1.37 | 1.44 | -0.07 |
| Oct | 1.18 | 1.22 | -0.04 |
| Nov | 0.71 | 0.81 | -0.10 |
| Dec | 0.69 | 0.79 | -0.10 |
12.31 | 12.54 | -0.23 |