| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.32 | -0.05 |
| Feb | 1.30 | 1.33 | -0.03 |
| Mar | 2.01 | 1.98 | 0.03 |
| Apr | 3.73 | 3.76 | -0.03 |
| May | 4.06 | 4.25 | -0.19 |
| Jun | 5.33 | 5.24 | 0.09 |
| Jul | 4.37 | 4.22 | 0.15 |
| Aug | 4.15 | 4.05 | 0.10 |
| Sep | 3.54 | 3.26 | 0.28 |
| Oct | 2.73 | 2.68 | 0.05 |
| Nov | 2.18 | 2.17 | 0.01 |
| Dec | 1.57 | 1.57 | 0.00 |
36.24 | 35.83 | 0.41 |