| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.50 | -0.10 |
| Feb | 0.47 | 0.44 | 0.03 |
| Mar | 0.74 | 0.88 | -0.14 |
| Apr | 1.63 | 1.57 | 0.06 |
| May | 1.39 | 1.50 | -0.11 |
| Jun | 1.09 | 1.05 | 0.04 |
| Jul | 2.26 | 2.29 | -0.03 |
| Aug | 2.00 | 1.93 | 0.07 |
| Sep | 1.28 | 1.01 | 0.27 |
| Oct | 0.79 | 0.77 | 0.02 |
| Nov | 0.46 | 0.50 | -0.04 |
| Dec | 0.41 | 0.39 | 0.02 |
12.92 | 12.83 | 0.09 |