| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.76 | -0.06 |
| Feb | 0.75 | 0.81 | -0.06 |
| Mar | 1.38 | 1.48 | -0.10 |
| Apr | 2.31 | 2.48 | -0.17 |
| May | 3.51 | 3.60 | -0.09 |
| Jun | 4.39 | 4.53 | -0.14 |
| Jul | 4.49 | 4.57 | -0.08 |
| Aug | 3.68 | 3.66 | 0.02 |
| Sep | 3.04 | 2.93 | 0.11 |
| Oct | 2.83 | 2.86 | -0.03 |
| Nov | 1.39 | 1.42 | -0.03 |
| Dec | 0.95 | 1.02 | -0.07 |
29.42 | 30.12 | -0.70 |