| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.48 | 0.03 |
| Feb | 1.47 | 1.43 | 0.04 |
| Mar | 1.76 | 1.57 | 0.19 |
| Apr | 2.08 | 1.93 | 0.15 |
| May | 1.71 | 1.65 | 0.06 |
| Jun | 1.05 | 0.98 | 0.07 |
| Jul | 1.56 | 1.28 | 0.28 |
| Aug | 1.62 | 1.43 | 0.19 |
| Sep | 1.69 | 1.73 | -0.04 |
| Oct | 1.70 | 1.57 | 0.13 |
| Nov | 1.45 | 1.47 | -0.02 |
| Dec | 1.38 | 1.30 | 0.08 |
18.98 | 17.82 | 1.16 |