| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.71 | -0.04 |
| Feb | 0.76 | 0.82 | -0.06 |
| Mar | 1.44 | 1.46 | -0.02 |
| Apr | 2.48 | 2.46 | 0.02 |
| May | 4.52 | 4.58 | -0.06 |
| Jun | 3.98 | 3.92 | 0.06 |
| Jul | 3.90 | 3.94 | -0.04 |
| Aug | 3.37 | 3.36 | 0.01 |
| Sep | 2.43 | 2.43 | 0.00 |
| Oct | 2.16 | 2.15 | 0.01 |
| Nov | 1.24 | 1.20 | 0.04 |
| Dec | 0.93 | 0.98 | -0.05 |
27.88 | 28.01 | -0.13 |