| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.46 | 0.03 |
| Feb | 1.91 | 2.03 | -0.12 |
| Mar | 2.50 | 2.56 | -0.06 |
| Apr | 3.76 | 3.73 | 0.03 |
| May | 4.41 | 4.43 | -0.02 |
| Jun | 4.42 | 4.28 | 0.14 |
| Jul | 4.07 | 3.90 | 0.17 |
| Aug | 3.92 | 3.80 | 0.12 |
| Sep | 3.11 | 3.04 | 0.07 |
| Oct | 2.94 | 2.86 | 0.08 |
| Nov | 3.00 | 2.96 | 0.04 |
| Dec | 2.38 | 2.34 | 0.04 |
38.91 | 38.39 | 0.52 |