| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.81 | 0.05 |
| Feb | 1.21 | 1.21 | 0.00 |
| Mar | 2.21 | 2.17 | 0.04 |
| Apr | 2.79 | 2.87 | -0.08 |
| May | 5.00 | 5.03 | -0.03 |
| Jun | 4.51 | 4.33 | 0.18 |
| Jul | 4.25 | 4.20 | 0.05 |
| Aug | 3.78 | 3.73 | 0.05 |
| Sep | 2.95 | 2.90 | 0.05 |
| Oct | 2.46 | 2.40 | 0.06 |
| Nov | 1.50 | 1.48 | 0.02 |
| Dec | 1.27 | 1.21 | 0.06 |
32.79 | 32.34 | 0.45 |