| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.06 | 6.61 | -0.55 |
| Feb | 4.45 | 4.80 | -0.35 |
| Mar | 4.14 | 4.47 | -0.33 |
| Apr | 2.53 | 2.73 | -0.20 |
| May | 1.60 | 1.65 | -0.05 |
| Jun | 0.75 | 0.70 | 0.05 |
| Jul | 0.29 | 0.35 | -0.06 |
| Aug | 0.28 | 0.27 | 0.01 |
| Sep | 0.63 | 0.63 | 0.00 |
| Oct | 2.16 | 2.27 | -0.11 |
| Nov | 4.98 | 5.21 | -0.23 |
| Dec | 7.22 | 7.65 | -0.43 |
35.09 | 37.34 | -2.25 |