| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.80 | 0.71 | 0.09 |
| Mar | 1.63 | 1.57 | 0.06 |
| Apr | 2.47 | 2.45 | 0.02 |
| May | 2.36 | 2.32 | 0.04 |
| Jun | 1.98 | 2.02 | -0.04 |
| Jul | 2.47 | 2.65 | -0.18 |
| Aug | 2.29 | 2.51 | -0.22 |
| Sep | 1.46 | 1.51 | -0.05 |
| Oct | 1.13 | 1.23 | -0.10 |
| Nov | 0.88 | 0.89 | -0.01 |
| Dec | 0.75 | 0.75 | 0.00 |
18.93 | 19.29 | -0.36 |