| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.76 | 0.01 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.63 | 1.79 | -0.16 |
| Apr | 2.54 | 2.88 | -0.34 |
| May | 2.42 | 2.58 | -0.16 |
| Jun | 2.02 | 1.94 | 0.08 |
| Jul | 3.18 | 2.81 | 0.37 |
| Aug | 2.70 | 3.00 | -0.30 |
| Sep | 1.56 | 1.78 | -0.22 |
| Oct | 1.25 | 1.33 | -0.08 |
| Nov | 0.98 | 1.05 | -0.07 |
| Dec | 0.85 | 0.75 | 0.10 |
20.64 | 21.44 | -0.80 |