| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.46 | -0.08 |
| Feb | 0.51 | 0.58 | -0.07 |
| Mar | 0.83 | 0.92 | -0.09 |
| Apr | 1.51 | 1.65 | -0.14 |
| May | 2.62 | 2.63 | -0.01 |
| Jun | 2.13 | 2.04 | 0.09 |
| Jul | 1.31 | 1.35 | -0.04 |
| Aug | 0.80 | 0.87 | -0.07 |
| Sep | 1.11 | 1.15 | -0.04 |
| Oct | 1.31 | 1.31 | 0.00 |
| Nov | 0.51 | 0.55 | -0.04 |
| Dec | 0.43 | 0.44 | -0.01 |
13.45 | 13.95 | -0.50 |