| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.70 | -0.19 |
| Feb | 1.28 | 1.32 | -0.04 |
| Mar | 1.43 | 1.48 | -0.05 |
| Apr | 1.67 | 1.62 | 0.05 |
| May | 1.98 | 2.06 | -0.08 |
| Jun | 1.00 | 1.06 | -0.06 |
| Jul | 0.44 | 0.48 | -0.04 |
| Aug | 0.68 | 0.63 | 0.05 |
| Sep | 1.13 | 1.14 | -0.01 |
| Oct | 1.44 | 1.51 | -0.07 |
| Nov | 0.96 | 1.02 | -0.06 |
| Dec | 1.29 | 1.43 | -0.14 |
14.81 | 15.45 | -0.64 |