| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.69 | 0.01 |
| Feb | 0.80 | 0.80 | 0.00 |
| Mar | 1.44 | 1.40 | 0.04 |
| Apr | 2.59 | 2.57 | 0.02 |
| May | 3.45 | 3.42 | 0.03 |
| Jun | 4.62 | 4.67 | -0.05 |
| Jul | 3.82 | 3.82 | 0.00 |
| Aug | 3.77 | 4.07 | -0.30 |
| Sep | 2.95 | 2.92 | 0.03 |
| Oct | 2.32 | 2.41 | -0.09 |
| Nov | 1.31 | 1.31 | 0.00 |
| Dec | 0.88 | 0.91 | -0.03 |
28.65 | 28.99 | -0.34 |