| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.37 | 0.01 |
| Feb | 0.60 | 0.63 | -0.03 |
| Mar | 1.10 | 1.10 | 0.00 |
| Apr | 1.92 | 1.93 | -0.01 |
| May | 2.70 | 2.72 | -0.02 |
| Jun | 2.31 | 2.45 | -0.14 |
| Jul | 1.78 | 1.62 | 0.16 |
| Aug | 1.61 | 1.93 | -0.32 |
| Sep | 1.46 | 1.61 | -0.15 |
| Oct | 1.44 | 1.41 | 0.03 |
| Nov | 0.63 | 0.72 | -0.09 |
| Dec | 0.61 | 0.66 | -0.05 |
16.54 | 17.15 | -0.61 |