| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.40 | 0.04 |
| Feb | 0.45 | 0.36 | 0.09 |
| Mar | 0.92 | 0.93 | -0.01 |
| Apr | 1.38 | 1.38 | 0.00 |
| May | 2.05 | 1.90 | 0.15 |
| Jun | 1.86 | 1.93 | -0.07 |
| Jul | 2.73 | 2.87 | -0.14 |
| Aug | 2.74 | 2.75 | -0.01 |
| Sep | 1.28 | 1.45 | -0.17 |
| Oct | 1.08 | 0.98 | 0.10 |
| Nov | 0.59 | 0.53 | 0.06 |
| Dec | 0.50 | 0.53 | -0.03 |
16.02 | 16.01 | 0.01 |