| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.59 | 0.11 |
| Feb | 0.85 | 0.71 | 0.14 |
| Mar | 1.39 | 1.48 | -0.09 |
| Apr | 2.43 | 2.08 | 0.35 |
| May | 2.91 | 3.19 | -0.28 |
| Jun | 1.93 | 2.07 | -0.14 |
| Jul | 2.25 | 2.41 | -0.16 |
| Aug | 1.92 | 1.83 | 0.09 |
| Sep | 1.60 | 1.75 | -0.15 |
| Oct | 1.27 | 1.27 | 0.00 |
| Nov | 1.01 | 0.82 | 0.19 |
| Dec | 0.66 | 0.53 | 0.13 |
18.92 | 18.73 | 0.19 |