| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.66 | -0.01 |
| Feb | 0.84 | 0.88 | -0.04 |
| Mar | 1.49 | 1.49 | 0.00 |
| Apr | 2.57 | 2.57 | 0.00 |
| May | 4.37 | 4.30 | 0.07 |
| Jun | 3.92 | 4.21 | -0.29 |
| Jul | 4.34 | 4.28 | 0.06 |
| Aug | 3.57 | 3.48 | 0.09 |
| Sep | 2.63 | 2.64 | -0.01 |
| Oct | 2.01 | 1.98 | 0.03 |
| Nov | 1.20 | 1.20 | 0.00 |
| Dec | 0.96 | 1.00 | -0.04 |
28.55 | 28.69 | -0.14 |