| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.88 | 0.00 |
| Feb | 0.80 | 0.75 | 0.05 |
| Mar | 0.99 | 1.02 | -0.03 |
| Apr | 1.86 | 1.92 | -0.06 |
| May | 2.94 | 2.96 | -0.02 |
| Jun | 4.01 | 3.98 | 0.03 |
| Jul | 4.03 | 4.14 | -0.11 |
| Aug | 3.17 | 3.14 | 0.03 |
| Sep | 3.40 | 3.47 | -0.07 |
| Oct | 2.61 | 2.66 | -0.05 |
| Nov | 1.60 | 1.44 | 0.16 |
| Dec | 1.13 | 1.07 | 0.06 |
27.42 | 27.43 | -0.01 |