| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.67 | -0.04 |
| Feb | 0.82 | 0.80 | 0.02 |
| Mar | 1.40 | 1.40 | 0.00 |
| Apr | 2.26 | 2.25 | 0.01 |
| May | 4.04 | 4.17 | -0.13 |
| Jun | 3.64 | 3.67 | -0.03 |
| Jul | 4.03 | 4.34 | -0.31 |
| Aug | 3.60 | 3.67 | -0.07 |
| Sep | 2.31 | 2.23 | 0.08 |
| Oct | 1.88 | 1.86 | 0.02 |
| Nov | 1.13 | 1.17 | -0.04 |
| Dec | 0.92 | 1.02 | -0.10 |
26.66 | 27.25 | -0.59 |