| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 0.93 | 0.05 |
| Feb | 1.04 | 0.99 | 0.05 |
| Mar | 1.91 | 1.82 | 0.09 |
| Apr | 3.28 | 3.22 | 0.06 |
| May | 4.35 | 4.33 | 0.02 |
| Jun | 5.42 | 5.22 | 0.20 |
| Jul | 4.23 | 4.23 | 0.00 |
| Aug | 4.60 | 4.64 | -0.04 |
| Sep | 3.77 | 3.70 | 0.07 |
| Oct | 2.53 | 2.50 | 0.03 |
| Nov | 1.79 | 1.65 | 0.14 |
| Dec | 1.32 | 1.23 | 0.09 |
35.22 | 34.46 | 0.76 |