| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.27 | -0.11 |
| Feb | 0.85 | 1.01 | -0.16 |
| Mar | 0.83 | 0.99 | -0.16 |
| Apr | 1.07 | 1.26 | -0.19 |
| May | 1.71 | 1.85 | -0.14 |
| Jun | 2.64 | 2.59 | 0.05 |
| Jul | 1.01 | 1.10 | -0.09 |
| Aug | 0.86 | 0.89 | -0.03 |
| Sep | 1.14 | 1.14 | 0.00 |
| Oct | 1.29 | 1.30 | -0.01 |
| Nov | 1.20 | 1.33 | -0.13 |
| Dec | 1.28 | 1.36 | -0.08 |
15.04 | 16.09 | -1.05 |