| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.79 | 0.79 | 0.00 |
| Mar | 1.59 | 1.63 | -0.04 |
| Apr | 2.88 | 2.88 | 0.00 |
| May | 4.02 | 4.17 | -0.15 |
| Jun | 4.87 | 5.14 | -0.27 |
| Jul | 3.81 | 3.72 | 0.09 |
| Aug | 3.92 | 3.83 | 0.09 |
| Sep | 3.16 | 3.20 | -0.04 |
| Oct | 2.33 | 2.36 | -0.03 |
| Nov | 1.42 | 1.35 | 0.07 |
| Dec | 0.93 | 0.99 | -0.06 |
30.41 | 30.80 | -0.39 |