| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.13 | 4.05 | 0.08 |
| Feb | 3.91 | 3.92 | -0.01 |
| Mar | 2.76 | 2.76 | 0.00 |
| Apr | 1.23 | 1.20 | 0.03 |
| May | 0.71 | 0.65 | 0.06 |
| Jun | 0.16 | 0.22 | -0.06 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.10 | 0.09 | 0.01 |
| Oct | 0.82 | 0.77 | 0.05 |
| Nov | 1.81 | 1.80 | 0.01 |
| Dec | 3.71 | 3.75 | -0.04 |
19.36 | 19.24 | 0.12 |