| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.64 | 0.03 |
| Feb | 1.31 | 1.42 | -0.11 |
| Mar | 1.76 | 1.81 | -0.05 |
| Apr | 2.87 | 2.85 | 0.02 |
| May | 3.63 | 3.46 | 0.17 |
| Jun | 3.93 | 3.98 | -0.05 |
| Jul | 4.21 | 4.55 | -0.34 |
| Aug | 3.75 | 3.76 | -0.01 |
| Sep | 3.59 | 3.66 | -0.07 |
| Oct | 3.59 | 3.55 | 0.04 |
| Nov | 2.37 | 2.32 | 0.05 |
| Dec | 1.92 | 2.01 | -0.09 |
34.60 | 35.01 | -0.41 |