| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.38 | -0.03 |
| Feb | 0.27 | 0.30 | -0.03 |
| Mar | 0.40 | 0.42 | -0.02 |
| Apr | 1.05 | 0.99 | 0.06 |
| May | 1.71 | 1.59 | 0.12 |
| Jun | 2.49 | 2.58 | -0.09 |
| Jul | 1.00 | 1.06 | -0.06 |
| Aug | 1.05 | 1.04 | 0.01 |
| Sep | 0.99 | 1.01 | -0.02 |
| Oct | 0.72 | 0.70 | 0.02 |
| Nov | 0.44 | 0.51 | -0.07 |
| Dec | 0.33 | 0.36 | -0.03 |
10.80 | 10.94 | -0.14 |