| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.76 | 0.01 |
| Feb | 0.83 | 0.78 | 0.05 |
| Mar | 1.77 | 1.64 | 0.13 |
| Apr | 3.21 | 3.06 | 0.15 |
| May | 4.49 | 4.24 | 0.25 |
| Jun | 4.90 | 4.92 | -0.02 |
| Jul | 3.81 | 3.87 | -0.06 |
| Aug | 4.03 | 3.80 | 0.23 |
| Sep | 3.24 | 3.19 | 0.05 |
| Oct | 2.50 | 2.37 | 0.13 |
| Nov | 1.54 | 1.33 | 0.21 |
| Dec | 0.90 | 0.98 | -0.08 |
31.99 | 30.94 | 1.05 |