| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.79 | 0.02 |
| Feb | 0.93 | 0.93 | 0.00 |
| Mar | 1.79 | 1.82 | -0.03 |
| Apr | 3.50 | 3.43 | 0.07 |
| May | 4.66 | 4.59 | 0.07 |
| Jun | 4.96 | 5.02 | -0.06 |
| Jul | 4.07 | 4.14 | -0.07 |
| Aug | 4.17 | 3.94 | 0.23 |
| Sep | 3.29 | 3.26 | 0.03 |
| Oct | 2.30 | 2.35 | -0.05 |
| Nov | 1.45 | 1.47 | -0.02 |
| Dec | 1.15 | 1.14 | 0.01 |
33.08 | 32.88 | 0.20 |