| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.23 | 0.04 |
| Feb | 1.56 | 1.48 | 0.08 |
| Mar | 2.59 | 2.65 | -0.06 |
| Apr | 3.74 | 3.50 | 0.24 |
| May | 4.77 | 4.79 | -0.02 |
| Jun | 4.66 | 4.78 | -0.12 |
| Jul | 3.24 | 3.23 | 0.01 |
| Aug | 3.37 | 3.40 | -0.03 |
| Sep | 3.25 | 3.35 | -0.10 |
| Oct | 3.25 | 3.32 | -0.07 |
| Nov | 2.15 | 2.06 | 0.09 |
| Dec | 1.76 | 1.76 | 0.00 |
35.61 | 35.55 | 0.06 |