| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.17 | 2.13 | 0.04 |
| Feb | 1.86 | 1.76 | 0.10 |
| Mar | 1.51 | 1.48 | 0.03 |
| Apr | 0.68 | 0.82 | -0.14 |
| May | 0.76 | 0.76 | 0.00 |
| Jun | 0.47 | 0.46 | 0.01 |
| Jul | 0.30 | 0.23 | 0.07 |
| Aug | 0.22 | 0.31 | -0.09 |
| Sep | 0.29 | 0.31 | -0.02 |
| Oct | 0.82 | 0.90 | -0.08 |
| Nov | 1.13 | 1.19 | -0.06 |
| Dec | 2.12 | 2.10 | 0.02 |
12.33 | 12.45 | -0.12 |