| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.67 | 0.05 |
| Feb | 0.79 | 0.73 | 0.06 |
| Mar | 1.50 | 1.45 | 0.05 |
| Apr | 2.55 | 2.59 | -0.04 |
| May | 3.73 | 3.71 | 0.02 |
| Jun | 4.16 | 4.20 | -0.04 |
| Jul | 4.04 | 3.91 | 0.13 |
| Aug | 3.87 | 3.91 | -0.04 |
| Sep | 2.90 | 2.94 | -0.04 |
| Oct | 2.67 | 2.67 | 0.00 |
| Nov | 1.37 | 1.31 | 0.06 |
| Dec | 0.90 | 0.89 | 0.01 |
29.20 | 28.98 | 0.22 |