| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.71 | -0.01 |
| Feb | 0.90 | 0.88 | 0.02 |
| Mar | 1.63 | 1.63 | 0.00 |
| Apr | 2.72 | 2.80 | -0.08 |
| May | 4.93 | 5.04 | -0.11 |
| Jun | 4.59 | 4.59 | 0.00 |
| Jul | 3.91 | 3.94 | -0.03 |
| Aug | 3.45 | 3.47 | -0.02 |
| Sep | 2.87 | 2.98 | -0.11 |
| Oct | 2.32 | 2.29 | 0.03 |
| Nov | 1.29 | 1.35 | -0.06 |
| Dec | 1.07 | 1.04 | 0.03 |
30.38 | 30.72 | -0.34 |