| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.67 | -0.05 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.50 | 1.46 | 0.04 |
| Apr | 2.73 | 2.71 | 0.02 |
| May | 3.50 | 3.58 | -0.08 |
| Jun | 4.38 | 4.22 | 0.16 |
| Jul | 3.59 | 3.54 | 0.05 |
| Aug | 3.51 | 3.50 | 0.01 |
| Sep | 3.15 | 3.06 | 0.09 |
| Oct | 2.29 | 2.21 | 0.08 |
| Nov | 1.26 | 1.23 | 0.03 |
| Dec | 0.81 | 0.91 | -0.10 |
28.08 | 27.86 | 0.22 |