| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.27 | -0.23 |
| Feb | 1.01 | 1.26 | -0.25 |
| Mar | 1.47 | 1.61 | -0.14 |
| Apr | 2.47 | 2.74 | -0.27 |
| May | 3.18 | 3.35 | -0.17 |
| Jun | 4.26 | 4.60 | -0.34 |
| Jul | 3.79 | 3.73 | 0.06 |
| Aug | 3.30 | 3.39 | -0.09 |
| Sep | 3.35 | 3.76 | -0.41 |
| Oct | 3.04 | 3.33 | -0.29 |
| Nov | 1.95 | 2.28 | -0.33 |
| Dec | 1.50 | 1.88 | -0.38 |
30.36 | 33.20 | -2.84 |