| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.40 | 0.46 |
| Feb | 4.38 | 4.02 | 0.36 |
| Mar | 4.79 | 4.35 | 0.44 |
| Apr | 4.66 | 4.40 | 0.26 |
| May | 4.22 | 4.05 | 0.17 |
| Jun | 4.67 | 4.02 | 0.65 |
| Jul | 4.64 | 3.93 | 0.71 |
| Aug | 4.30 | 4.23 | 0.07 |
| Sep | 4.21 | 4.23 | -0.02 |
| Oct | 3.71 | 2.95 | 0.76 |
| Nov | 4.04 | 3.46 | 0.58 |
| Dec | 5.05 | 4.46 | 0.59 |
53.53 | 48.50 | 5.03 |