| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 1.03 | -0.03 |
| Feb | 1.44 | 1.47 | -0.03 |
| Mar | 2.44 | 2.45 | -0.01 |
| Apr | 3.76 | 3.87 | -0.11 |
| May | 5.48 | 5.43 | 0.05 |
| Jun | 4.88 | 5.01 | -0.13 |
| Jul | 4.24 | 4.55 | -0.31 |
| Aug | 3.98 | 4.03 | -0.05 |
| Sep | 4.24 | 4.22 | 0.02 |
| Oct | 3.34 | 3.49 | -0.15 |
| Nov | 2.16 | 2.15 | 0.01 |
| Dec | 1.51 | 1.50 | 0.01 |
38.47 | 39.20 | -0.73 |