| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.32 | 4.31 | 0.01 |
| Feb | 5.01 | 4.71 | 0.30 |
| Mar | 2.95 | 3.19 | -0.24 |
| Apr | 1.10 | 1.08 | 0.02 |
| May | 0.44 | 0.51 | -0.07 |
| Jun | 0.12 | 0.18 | -0.06 |
| Jul | 0.03 | 0.05 | -0.02 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.18 | 0.19 | -0.01 |
| Oct | 0.70 | 0.76 | -0.06 |
| Nov | 1.12 | 0.97 | 0.15 |
| Dec | 3.04 | 2.99 | 0.05 |
19.02 | 18.95 | 0.07 |