| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.08 | 2.00 | 0.08 |
| Feb | 2.26 | 2.18 | 0.08 |
| Mar | 1.91 | 2.07 | -0.16 |
| Apr | 0.98 | 1.04 | -0.06 |
| May | 0.74 | 0.72 | 0.02 |
| Jun | 0.30 | 0.33 | -0.03 |
| Jul | 2.56 | 2.50 | 0.06 |
| Aug | 3.24 | 3.16 | 0.08 |
| Sep | 1.83 | 1.75 | 0.08 |
| Oct | 1.63 | 1.55 | 0.08 |
| Nov | 1.48 | 1.46 | 0.02 |
| Dec | 1.89 | 1.93 | -0.04 |
20.90 | 20.69 | 0.21 |