| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.66 | -0.65 |
| Feb | 4.88 | 5.34 | -0.46 |
| Mar | 3.72 | 4.19 | -0.47 |
| Apr | 1.59 | 1.98 | -0.39 |
| May | 0.67 | 0.75 | -0.08 |
| Jun | 0.13 | 0.20 | -0.07 |
| Jul | 0.02 | 0.02 | 0.00 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.07 | 0.10 | -0.03 |
| Oct | 1.00 | 1.31 | -0.31 |
| Nov | 2.51 | 2.68 | -0.17 |
| Dec | 4.91 | 5.55 | -0.64 |
24.54 | 27.83 | -3.29 |