| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.67 | 0.06 |
| Feb | 0.80 | 0.77 | 0.03 |
| Mar | 1.53 | 1.48 | 0.05 |
| Apr | 2.60 | 2.59 | 0.01 |
| May | 3.67 | 3.73 | -0.06 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 4.02 | 3.89 | 0.13 |
| Aug | 3.91 | 3.86 | 0.05 |
| Sep | 2.90 | 3.00 | -0.10 |
| Oct | 2.58 | 2.61 | -0.03 |
| Nov | 1.38 | 1.32 | 0.06 |
| Dec | 0.90 | 0.91 | -0.01 |
29.27 | 29.15 | 0.12 |