| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.46 | 0.08 |
| Feb | 1.17 | 1.14 | 0.03 |
| Mar | 1.86 | 1.79 | 0.07 |
| Apr | 3.03 | 3.07 | -0.04 |
| May | 3.56 | 3.45 | 0.11 |
| Jun | 4.04 | 4.14 | -0.10 |
| Jul | 3.63 | 3.61 | 0.02 |
| Aug | 3.42 | 3.40 | 0.02 |
| Sep | 3.27 | 3.18 | 0.09 |
| Oct | 2.95 | 2.80 | 0.15 |
| Nov | 2.12 | 1.97 | 0.15 |
| Dec | 1.78 | 1.66 | 0.12 |
32.37 | 31.67 | 0.70 |