| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.02 | 5.95 | 0.07 |
| Feb | 4.47 | 4.30 | 0.17 |
| Mar | 4.86 | 4.47 | 0.39 |
| Apr | 3.80 | 3.66 | 0.14 |
| May | 2.73 | 2.58 | 0.15 |
| Jun | 1.36 | 1.22 | 0.14 |
| Jul | 0.34 | 0.33 | 0.01 |
| Aug | 0.41 | 0.38 | 0.03 |
| Sep | 1.26 | 1.16 | 0.10 |
| Oct | 3.34 | 3.16 | 0.18 |
| Nov | 6.15 | 5.98 | 0.17 |
| Dec | 7.46 | 7.19 | 0.27 |
42.20 | 40.38 | 1.82 |