| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.42 | 0.07 |
| Feb | 0.58 | 0.48 | 0.10 |
| Mar | 1.11 | 1.05 | 0.06 |
| Apr | 2.04 | 1.86 | 0.18 |
| May | 2.59 | 2.56 | 0.03 |
| Jun | 2.08 | 1.98 | 0.10 |
| Jul | 2.54 | 2.43 | 0.11 |
| Aug | 2.17 | 2.41 | -0.24 |
| Sep | 1.26 | 1.19 | 0.07 |
| Oct | 1.00 | 1.01 | -0.01 |
| Nov | 0.69 | 0.63 | 0.06 |
| Dec | 0.50 | 0.43 | 0.07 |
17.05 | 16.45 | 0.60 |