| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.74 | 0.04 |
| Feb | 0.98 | 0.95 | 0.03 |
| Mar | 1.69 | 1.69 | 0.00 |
| Apr | 2.79 | 2.80 | -0.01 |
| May | 5.30 | 5.30 | 0.00 |
| Jun | 4.67 | 4.76 | -0.09 |
| Jul | 3.93 | 3.81 | 0.12 |
| Aug | 3.54 | 3.48 | 0.06 |
| Sep | 3.02 | 3.02 | 0.00 |
| Oct | 2.37 | 2.43 | -0.06 |
| Nov | 1.36 | 1.38 | -0.02 |
| Dec | 1.23 | 1.18 | 0.05 |
31.66 | 31.54 | 0.12 |