| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.76 | -0.07 |
| Feb | 0.81 | 0.87 | -0.06 |
| Mar | 1.45 | 1.49 | -0.04 |
| Apr | 2.80 | 2.83 | -0.03 |
| May | 4.06 | 4.15 | -0.09 |
| Jun | 4.49 | 4.46 | 0.03 |
| Jul | 3.93 | 3.98 | -0.05 |
| Aug | 4.06 | 4.15 | -0.09 |
| Sep | 3.29 | 3.27 | 0.02 |
| Oct | 2.64 | 2.61 | 0.03 |
| Nov | 1.43 | 1.50 | -0.07 |
| Dec | 1.00 | 1.15 | -0.15 |
30.65 | 31.22 | -0.57 |