| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.70 | -0.03 |
| Feb | 0.66 | 0.62 | 0.04 |
| Mar | 1.07 | 1.15 | -0.08 |
| Apr | 1.31 | 1.29 | 0.02 |
| May | 2.76 | 2.57 | 0.19 |
| Jun | 2.61 | 2.57 | 0.04 |
| Jul | 2.06 | 2.04 | 0.02 |
| Aug | 1.91 | 1.85 | 0.06 |
| Sep | 2.53 | 2.45 | 0.08 |
| Oct | 1.50 | 1.56 | -0.06 |
| Nov | 0.77 | 0.81 | -0.04 |
| Dec | 0.76 | 0.80 | -0.04 |
18.61 | 18.41 | 0.20 |