| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.36 | -0.06 |
| Feb | 0.34 | 0.40 | -0.06 |
| Mar | 0.83 | 0.97 | -0.14 |
| Apr | 1.72 | 1.76 | -0.04 |
| May | 2.28 | 2.45 | -0.17 |
| Jun | 1.71 | 1.57 | 0.14 |
| Jul | 1.51 | 1.47 | 0.04 |
| Aug | 1.41 | 1.25 | 0.16 |
| Sep | 1.17 | 1.20 | -0.03 |
| Oct | 1.04 | 1.09 | -0.05 |
| Nov | 0.63 | 0.61 | 0.02 |
| Dec | 0.37 | 0.45 | -0.08 |
13.31 | 13.58 | -0.27 |