| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.61 | -0.01 |
| Feb | 1.21 | 1.18 | 0.03 |
| Mar | 1.78 | 1.76 | 0.02 |
| Apr | 2.87 | 2.92 | -0.05 |
| May | 3.26 | 3.25 | 0.01 |
| Jun | 3.60 | 3.54 | 0.06 |
| Jul | 3.46 | 3.25 | 0.21 |
| Aug | 3.25 | 3.11 | 0.14 |
| Sep | 3.27 | 3.17 | 0.10 |
| Oct | 3.27 | 3.27 | 0.00 |
| Nov | 2.20 | 2.18 | 0.02 |
| Dec | 1.86 | 1.83 | 0.03 |
31.63 | 31.07 | 0.56 |