| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.76 | 0.02 |
| Feb | 1.70 | 1.82 | -0.12 |
| Mar | 2.11 | 2.09 | 0.02 |
| Apr | 2.68 | 2.63 | 0.05 |
| May | 2.49 | 2.26 | 0.23 |
| Jun | 1.15 | 1.06 | 0.09 |
| Jul | 0.62 | 0.64 | -0.02 |
| Aug | 0.78 | 0.76 | 0.02 |
| Sep | 1.43 | 1.27 | 0.16 |
| Oct | 1.81 | 1.58 | 0.23 |
| Nov | 1.50 | 1.64 | -0.14 |
| Dec | 1.75 | 1.74 | 0.01 |
19.80 | 19.25 | 0.55 |