| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 1.89 | 0.00 |
| Feb | 1.71 | 1.80 | -0.09 |
| Mar | 2.24 | 2.27 | -0.03 |
| Apr | 3.80 | 3.76 | 0.04 |
| May | 4.62 | 4.59 | 0.03 |
| Jun | 4.39 | 4.33 | 0.06 |
| Jul | 3.94 | 3.86 | 0.08 |
| Aug | 3.99 | 3.76 | 0.23 |
| Sep | 3.17 | 3.24 | -0.07 |
| Oct | 3.35 | 3.33 | 0.02 |
| Nov | 2.54 | 2.47 | 0.07 |
| Dec | 2.06 | 2.05 | 0.01 |
37.70 | 37.35 | 0.35 |