| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.76 | 0.74 | 0.02 |
| Mar | 1.58 | 1.84 | -0.26 |
| Apr | 2.46 | 2.82 | -0.36 |
| May | 2.47 | 2.71 | -0.24 |
| Jun | 2.14 | 1.98 | 0.16 |
| Jul | 3.32 | 3.01 | 0.31 |
| Aug | 2.83 | 3.08 | -0.25 |
| Sep | 1.56 | 1.81 | -0.25 |
| Oct | 1.22 | 1.32 | -0.10 |
| Nov | 0.94 | 0.93 | 0.01 |
| Dec | 0.77 | 0.75 | 0.02 |
20.76 | 21.67 | -0.91 |