| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.37 | 0.06 |
| Feb | 0.49 | 0.38 | 0.11 |
| Mar | 0.59 | 0.59 | 0.00 |
| Apr | 1.45 | 1.50 | -0.05 |
| May | 2.13 | 2.06 | 0.07 |
| Jun | 2.58 | 2.71 | -0.13 |
| Jul | 1.07 | 1.12 | -0.05 |
| Aug | 1.06 | 1.12 | -0.06 |
| Sep | 1.24 | 1.23 | 0.01 |
| Oct | 0.86 | 0.82 | 0.04 |
| Nov | 0.57 | 0.51 | 0.06 |
| Dec | 0.45 | 0.38 | 0.07 |
12.92 | 12.79 | 0.13 |