| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.90 | -0.04 |
| Feb | 0.83 | 0.82 | 0.01 |
| Mar | 1.60 | 1.60 | 0.00 |
| Apr | 2.93 | 2.93 | 0.00 |
| May | 4.19 | 4.18 | 0.01 |
| Jun | 5.16 | 5.07 | 0.09 |
| Jul | 4.12 | 4.31 | -0.19 |
| Aug | 4.45 | 4.59 | -0.14 |
| Sep | 3.37 | 3.42 | -0.05 |
| Oct | 2.80 | 2.81 | -0.01 |
| Nov | 1.70 | 1.63 | 0.07 |
| Dec | 1.16 | 1.19 | -0.03 |
33.17 | 33.45 | -0.28 |