| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.40 | 0.01 |
| Feb | 0.43 | 0.44 | -0.01 |
| Mar | 0.70 | 0.61 | 0.09 |
| Apr | 1.58 | 1.50 | 0.08 |
| May | 2.34 | 2.23 | 0.11 |
| Jun | 2.07 | 1.85 | 0.22 |
| Jul | 0.98 | 0.87 | 0.11 |
| Aug | 0.75 | 0.71 | 0.04 |
| Sep | 1.25 | 1.19 | 0.06 |
| Oct | 1.35 | 1.29 | 0.06 |
| Nov | 0.59 | 0.53 | 0.06 |
| Dec | 0.42 | 0.46 | -0.04 |
12.87 | 12.08 | 0.79 |