| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.89 | -0.02 |
| Feb | 1.01 | 1.07 | -0.06 |
| Mar | 1.99 | 2.01 | -0.02 |
| Apr | 3.84 | 3.77 | 0.07 |
| May | 4.92 | 4.99 | -0.07 |
| Jun | 5.63 | 5.63 | 0.00 |
| Jul | 4.20 | 4.28 | -0.08 |
| Aug | 4.29 | 4.22 | 0.07 |
| Sep | 3.29 | 3.30 | -0.01 |
| Oct | 2.51 | 2.49 | 0.02 |
| Nov | 1.67 | 1.70 | -0.03 |
| Dec | 1.26 | 1.34 | -0.08 |
35.48 | 35.69 | -0.21 |