| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 0.98 | 0.04 |
| Feb | 1.00 | 0.84 | 0.16 |
| Mar | 1.11 | 1.06 | 0.05 |
| Apr | 2.03 | 2.00 | 0.03 |
| May | 3.01 | 2.99 | 0.02 |
| Jun | 4.00 | 3.95 | 0.05 |
| Jul | 3.92 | 3.98 | -0.06 |
| Aug | 3.08 | 3.13 | -0.05 |
| Sep | 3.57 | 3.57 | 0.00 |
| Oct | 2.78 | 2.67 | 0.11 |
| Nov | 1.77 | 1.50 | 0.27 |
| Dec | 1.41 | 1.23 | 0.18 |
28.70 | 27.90 | 0.80 |