| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.82 | 1.87 | -0.05 |
| Feb | 1.72 | 1.83 | -0.11 |
| Mar | 2.23 | 2.27 | -0.04 |
| Apr | 3.77 | 3.76 | 0.01 |
| May | 4.66 | 4.66 | 0.00 |
| Jun | 4.38 | 4.31 | 0.07 |
| Jul | 3.87 | 3.74 | 0.13 |
| Aug | 3.94 | 3.78 | 0.16 |
| Sep | 3.22 | 3.26 | -0.04 |
| Oct | 3.34 | 3.35 | -0.01 |
| Nov | 2.53 | 2.52 | 0.01 |
| Dec | 2.03 | 2.08 | -0.05 |
37.51 | 37.43 | 0.08 |