| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.68 | 0.05 |
| Feb | 0.79 | 0.76 | 0.03 |
| Mar | 1.48 | 1.46 | 0.02 |
| Apr | 2.50 | 2.52 | -0.02 |
| May | 3.60 | 3.50 | 0.10 |
| Jun | 4.27 | 4.37 | -0.10 |
| Jul | 4.09 | 4.02 | 0.07 |
| Aug | 3.74 | 3.90 | -0.16 |
| Sep | 2.87 | 2.87 | 0.00 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 1.35 | 1.31 | 0.04 |
| Dec | 0.88 | 0.93 | -0.05 |
28.96 | 29.03 | -0.07 |