| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.23 | 0.00 |
| Feb | 1.58 | 1.63 | -0.05 |
| Mar | 1.80 | 1.79 | 0.01 |
| Apr | 1.69 | 1.59 | 0.10 |
| May | 2.16 | 1.87 | 0.29 |
| Jun | 1.30 | 1.27 | 0.03 |
| Jul | 0.44 | 0.50 | -0.06 |
| Aug | 0.45 | 0.48 | -0.03 |
| Sep | 0.60 | 0.59 | 0.01 |
| Oct | 1.34 | 1.31 | 0.03 |
| Nov | 1.88 | 1.85 | 0.03 |
| Dec | 2.44 | 2.60 | -0.16 |
17.91 | 17.71 | 0.20 |