| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.76 | -0.05 |
| Feb | 0.79 | 0.86 | -0.07 |
| Mar | 1.46 | 1.56 | -0.10 |
| Apr | 2.68 | 2.73 | -0.05 |
| May | 4.06 | 4.06 | 0.00 |
| Jun | 4.34 | 4.29 | 0.05 |
| Jul | 4.28 | 4.24 | 0.04 |
| Aug | 3.98 | 4.04 | -0.06 |
| Sep | 3.24 | 3.21 | 0.03 |
| Oct | 2.77 | 2.83 | -0.06 |
| Nov | 1.50 | 1.59 | -0.09 |
| Dec | 1.02 | 1.11 | -0.09 |
30.83 | 31.28 | -0.45 |