| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.63 | -0.05 |
| Feb | 0.55 | 0.41 | 0.14 |
| Mar | 0.67 | 0.63 | 0.04 |
| Apr | 0.48 | 0.41 | 0.07 |
| May | 0.46 | 0.61 | -0.15 |
| Jun | 0.54 | 0.53 | 0.01 |
| Jul | 2.78 | 2.75 | 0.03 |
| Aug | 2.73 | 2.95 | -0.22 |
| Sep | 1.93 | 1.96 | -0.03 |
| Oct | 0.97 | 1.06 | -0.09 |
| Nov | 0.73 | 0.72 | 0.01 |
| Dec | 0.94 | 0.78 | 0.16 |
13.36 | 13.44 | -0.08 |