| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.51 | -0.01 |
| Feb | 0.42 | 0.41 | 0.01 |
| Mar | 1.23 | 1.21 | 0.02 |
| Apr | 1.51 | 1.57 | -0.06 |
| May | 2.26 | 2.41 | -0.15 |
| Jun | 2.63 | 2.89 | -0.26 |
| Jul | 2.82 | 2.76 | 0.06 |
| Aug | 2.79 | 2.79 | 0.00 |
| Sep | 1.47 | 1.46 | 0.01 |
| Oct | 1.70 | 1.74 | -0.04 |
| Nov | 0.57 | 0.66 | -0.09 |
| Dec | 0.79 | 0.81 | -0.02 |
18.69 | 19.22 | -0.53 |