| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.38 | 0.03 |
| Feb | 0.51 | 0.40 | 0.11 |
| Mar | 0.93 | 0.93 | 0.00 |
| Apr | 1.67 | 1.68 | -0.01 |
| May | 2.42 | 2.48 | -0.06 |
| Jun | 2.21 | 2.04 | 0.17 |
| Jul | 2.30 | 2.17 | 0.13 |
| Aug | 1.91 | 1.98 | -0.07 |
| Sep | 1.31 | 1.02 | 0.29 |
| Oct | 1.11 | 1.05 | 0.06 |
| Nov | 0.66 | 0.58 | 0.08 |
| Dec | 0.38 | 0.43 | -0.05 |
15.82 | 15.14 | 0.68 |