| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.69 | -0.03 |
| Feb | 0.65 | 0.61 | 0.04 |
| Mar | 1.08 | 1.15 | -0.07 |
| Apr | 1.26 | 1.27 | -0.01 |
| May | 2.68 | 2.50 | 0.18 |
| Jun | 2.61 | 2.53 | 0.08 |
| Jul | 2.06 | 2.06 | 0.00 |
| Aug | 1.92 | 1.86 | 0.06 |
| Sep | 2.49 | 2.42 | 0.07 |
| Oct | 1.50 | 1.55 | -0.05 |
| Nov | 0.78 | 0.80 | -0.02 |
| Dec | 0.76 | 0.79 | -0.03 |
18.45 | 18.23 | 0.22 |