| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.47 | 0.05 |
| Feb | 0.58 | 0.59 | -0.01 |
| Mar | 1.28 | 1.34 | -0.06 |
| Apr | 2.12 | 1.89 | 0.23 |
| May | 2.76 | 2.58 | 0.18 |
| Jun | 1.80 | 1.82 | -0.02 |
| Jul | 1.91 | 1.65 | 0.26 |
| Aug | 1.62 | 1.44 | 0.18 |
| Sep | 1.45 | 1.41 | 0.04 |
| Oct | 1.15 | 1.03 | 0.12 |
| Nov | 0.77 | 0.74 | 0.03 |
| Dec | 0.47 | 0.45 | 0.02 |
16.43 | 15.41 | 1.02 |