| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.50 | 4.66 | -0.16 |
| Feb | 4.96 | 4.99 | -0.03 |
| Mar | 2.94 | 3.39 | -0.45 |
| Apr | 1.07 | 1.14 | -0.07 |
| May | 0.50 | 0.71 | -0.21 |
| Jun | 0.13 | 0.21 | -0.08 |
| Jul | 0.03 | 0.08 | -0.05 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.17 | 0.19 | -0.02 |
| Oct | 0.78 | 0.96 | -0.18 |
| Nov | 1.23 | 1.23 | 0.00 |
| Dec | 3.06 | 3.14 | -0.08 |
19.38 | 20.71 | -1.33 |