| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.34 | 0.01 |
| Feb | 0.59 | 0.56 | 0.03 |
| Mar | 1.07 | 1.05 | 0.02 |
| Apr | 1.91 | 1.90 | 0.01 |
| May | 2.71 | 2.80 | -0.09 |
| Jun | 2.23 | 2.44 | -0.21 |
| Jul | 1.65 | 1.71 | -0.06 |
| Aug | 1.47 | 1.51 | -0.04 |
| Sep | 1.38 | 1.37 | 0.01 |
| Oct | 1.36 | 1.43 | -0.07 |
| Nov | 0.61 | 0.65 | -0.04 |
| Dec | 0.60 | 0.58 | 0.02 |
15.93 | 16.34 | -0.41 |