| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.15 | 5.50 | -0.35 |
| Feb | 4.50 | 4.70 | -0.20 |
| Mar | 3.59 | 3.76 | -0.17 |
| Apr | 1.90 | 2.03 | -0.13 |
| May | 1.43 | 1.60 | -0.17 |
| Jun | 0.56 | 0.65 | -0.09 |
| Jul | 0.05 | 0.08 | -0.03 |
| Aug | 0.07 | 0.08 | -0.01 |
| Sep | 0.32 | 0.37 | -0.05 |
| Oct | 1.44 | 1.38 | 0.06 |
| Nov | 2.83 | 2.90 | -0.07 |
| Dec | 4.90 | 5.35 | -0.45 |
26.74 | 28.40 | -1.66 |