| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.30 | -0.09 |
| Feb | 2.59 | 2.60 | -0.01 |
| Mar | 1.35 | 1.69 | -0.34 |
| Apr | 0.53 | 0.63 | -0.10 |
| May | 0.20 | 0.20 | 0.00 |
| Jun | 0.03 | 0.07 | -0.04 |
| Jul | 0.07 | 0.07 | 0.00 |
| Aug | 0.06 | 0.04 | 0.02 |
| Sep | 0.10 | 0.12 | -0.02 |
| Oct | 0.36 | 0.41 | -0.05 |
| Nov | 0.66 | 0.61 | 0.05 |
| Dec | 1.54 | 1.76 | -0.22 |
9.70 | 10.50 | -0.80 |