| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.47 | -0.01 |
| Feb | 0.54 | 0.57 | -0.03 |
| Mar | 1.23 | 1.32 | -0.09 |
| Apr | 2.10 | 2.08 | 0.02 |
| May | 2.62 | 2.72 | -0.10 |
| Jun | 1.80 | 1.73 | 0.07 |
| Jul | 1.63 | 1.60 | 0.03 |
| Aug | 1.47 | 1.41 | 0.06 |
| Sep | 1.36 | 1.37 | -0.01 |
| Oct | 1.16 | 1.22 | -0.06 |
| Nov | 0.77 | 0.76 | 0.01 |
| Dec | 0.49 | 0.55 | -0.06 |
15.63 | 15.80 | -0.17 |